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Giants Neck Sandy Point Golden Spur Quaker Hill Quaker Hill Lyme Station Graniteville Chesterfield Four Corners Point O'Woods Attawan Beach Crescent Park Pleasure Beach Crescent Beach Saunders Point Old Lyme Shores Manitock Spring Hawks Nest Beach Morningside Park White Sands Beach Black Point Beach Club Pie Hill Amon Hill Myer Hill Lord Hill Hart Hill Bill Hill Pond Hill Bay Point Game Ledge Sodom Hill Brown Hill Smith Hill Great Hill Polly Hill Ridge Hill Sharp Hill Fox Island Rocky Neck Pond Point Mago Point Great Neck Durfey Hill Stuart Hill Quarry Hill Mullen Hill Mount Tabor Wilson Hill Becket Hill Haines Hill Grassy Hill Morgan Hill Pigeon Hill Walnut Hill Mink Island Lynde Point Smiths Neck Black Point White Point Giants Neck Ferry Point Smith Ledges Mount Ararat Mallory Hill Mount Caesar Twomile Hill Soldier Hill Tiffany Hill Douglas Hill Latimer Hill Konomoc Hill Great Island Watts Island Goose Island Goshen Point Magonk Point McCook Point Lamphere Hill Manitock Hill Mahoneys Hill Beckwith Hill Crandall Hill South Brother North Brother Calves Island Chapman Ridge Poverty Point Seaside Point Pepperbox Hill Pumphouse Hill Artillery Hill Nickerson Hill Barnville Hill Beaverdam Hill Poverty Island Twotree Island Huntley Island Griswold Point Hatchett Point Saybrook Point Cranberry Ledge Johnnycake Hill Macks Mill Hill Griswold Island Saltworks Point Millstone Point Candlewood Ledge Oswegatchie Hill Waterford Island Haughton Mountain The Bar Pleasure Beach Sound View Beach Rocky Neck Beach White Sands Beach McCook Point Beach Waterford Town Beach Hole-In-The Wall Beach Car Pond Red Brook Fox Brook Spot Pond Duck Pond Bush Pond Shaw Cove Smith Cove Swan Brook Mill Brook Mile Creek Duck River Beaver Dam Uncas Pond Sharp Pond Scott Pond Pings Pond Perry Pond Perry Pond Mazer Pond Lucky Pond Dodge Pond Davis Pond Clark Pond Cedar Lake Bride Lake Banks Pond Smith Cove Keeny Cove Stony Brook Sandy Brook Polly Brook Hunts Brook Hunts Brook Hedge Brook Falls Brook Bride Brook Bogue Brook Wagner Pond Tinker Pond Rogers Lake Powers Lake Picker Pond Pequot Pond Miller Pond Little Pond Lake Cuheca Indian Pond Havens Pond Gorton Pond Dodson Pond Darrow Pond Goshen Cove Jordan Cove Niantic Bay Great Swamp Nevins Brook Ledges Brook Jordan Brook Jordan Brook Gurley Brook Fenger Brook Church Brook Beaver Brook Beaver Brook Toupass Pond Pizzini Pond Norwich Pond Morgans Pond Lake Konomoc Johnson Pond Darling Pond Brubeck Pond Brocket Pond Bingham Pond Alewife Cove Banning Cove Silver Falls Tisdale Brook Strongs Brook Sawmill Brook Oxoboxo Brook Niantic River Latimer Brook Whitmans Pond Troopers Pond Southern Pond Rockland Pond Red Mill Pond Moulsons Pond Goodwins Pond Gardners Pond Ed Bills Pond Beckwith Pond Oil Mill Brook Fourmile River Fourmile River Upper Millpond Lower Millpond Lake Brandegee Cranberry Pond Threemile River Millstone Brook Eightmile River Armstrong Brook Falls Brook Dam New London Pond Blackwells Pond Black Hall Pond Lieutenant River Lakes Pond Brook Cedar Pond Brook Black Hall River Beaver Dam Brook Beaver Brook Dam Lovers Lane Pond Jordan Mill Pond High School Pond Fire Street Pond Braman Road Pond Barnes Reservoir Horse Pound Brook Green Swamp Brook Grassy Hill Brook Deep Hollow Brook Connecticut River Broad Swamp Brook Whippoorwill Pond E.A. Whitford Dam Silver Falls Pond Shawandassee Pond Pilgrim Road Pond Pattagansett Lake Little Dodge Pond Gay Cemetery Pond Cranberry Bottoms Shingle Mill Brook Pattagansett River Pattagansett River Latimer Brook Pond Fourmile Pond No 1 Willys Meadow Brook Deep Hollow Brook Dam Bogue Brook Reservoir Cranberry Meadow Brook Cranberry Meadow Brook Green Valley Lake Lower Connecticut College Pond East Branch Eightmile River Northeast Branch Black Hall River Blackboys Long Rock Seal Rock Flat Rock High Rock Long Ledge Back River Johns Rock White Rock Black Rock Sodom Rocks Little Rock Wigwam Rock Goshen Ledge Bartlett Reef Saybrook Shoal Threefoot Rock Gilbralter Rocks Calves Island Bar Saybrook Outer Bar Little Goshen Reef Saybrook Shoal Channel Twotree Island Channel Calves Island Bar Channel Mile Creek Airport Devils Hopyard Field Airport Baldwin Bridge Lawrence and Memorial Hospital Center School Flanders School Jennings School Williams School Edgerton School Mile Creek School Montville Alternate Cohanzie Elementary Leonard J Tyl Middle Southwest Elementary Niantic Center School Great Neck Elementary Waterford High School Montville High School East Lyme High School Little Red Schoolhouse Lillie B Haynes School Quaker Hill Elementary Oswegatchie Elementary New London High School East Lyme Middle School Lyme Consolidated School Friendship Magnet School Clark Lane Middle School Lyme-Old Lyme High School Dr Charles E Murphy School Bennie Dover Jackson Middle School New London Science and Technology High School Connecticut College Lyme Academy of Fine Arts I 95 I 395 Route 156 State Hwy 156 US Hwy 1 Main St State Hwy 85 Governor John Davis Lodge Tpke State Hwy 161 Hamburg Rd Shore Rd Route 1 Fire St Boston Post Rd Keeny Rd Route 56 Hartford Tpke Grassy Hill Rd Route 85 Blood St Gungy Rd Plains Old Colchester Rd State Hwy 82 Mohegan Ave Mile Creek Rd Parkway Chesterfield Rd Cross Rd Route 32 Route 163 Sill Ln Broad St Oakdale Rd Vauxhall Street Ext Maple Ave Scott Rd Butlertown Rd State Hwy 32 Salem Rd Beaver Brook Rd Turner Rd Moxley Rd Williams St Flanders Rd Oil Mill Rd Darling Rd Rope Ferry Rd Gurley Rd Hartford New London Tpke Colman St Norwich Salem Rd Bride Brook Rd Lyme St Great Neck Rd Niantic River Rd Dean Rd Society Rd Coleman St Roxbury Rd Hopyard Rd Whippoorwill Rd Ocean Ave Old Norwich Rd Mohegan Avenue Pkwy Holmes Rd Clark Ln Four Mile River Rd Jefferson Ave Baker Ln Town Woods Rd Ridge Hill Rd Bloomingdale Rd Whistle Town Rd Spithead Rd Mohegan Avenue Ext Salem Turnpike Rd Lovers Ln Norwich - New London Rd Dayton Rd Old New London Rd Bill Hill Rd Miner Ln Norwich New London Tpke Lake Rd Buttonball Rd Haddam Tpke West Rd Bank St Vauxhall St Frontage Rd Upper Pattagansett Rd Fog Plain Rd Braman Rd Pruett Pl Giants Neck Rd Gallup Ln Browns Ln Devils Hopyard Rd Corey Ln Route 161 New London Rd Gay Hill Rd Lathrop Rd CH Hill Rd Walnut Hill Rd Willetts Ave Old Black Point Rd Upper Fourmile River Rd Halls Rd Bolles Ln Hatchetts Hill Rd Douglas Ln Bridge St Jerome Rd Briggs St B Ln Elm St Montauk Ave Rowland Rd Qry Dock Rd Jericho Dr Salem Tpke Hunts Brook Rd Oswegatchie Rd Haddam Rd Bayonet St Hope St Lord Hill Ln Gilead Rd North Rd McCurdy Rd Black Point Rd Cove Rd Mullen Hill Rd Chapel Hill Rd Burr Rd Sharp Hill Rd Spring Rock Rd Oak St Pennsylvania Ave Dayton Road NO 1 Coult Ln Quarry Dock Rd Quarry Rd Niles Hill Rd Daniels Ave White Birch Rd Plants Dam Rd End Dr Ledyard St Essex Tpke West Ln Riverview Rd Millstone Rd Ferry Rd Pequot Rd Hickory Ln Dimmock Rd Groton St Trumbull Rd Plum Hl Gallows Ln Goshen Rd Hillcrest Rd Fairhaven Rd Upper Walnut Hill Rd Mount Archer Rd Cardinal Rd Lamphere Rd Smith St Valley Dr Swan Ave Old Shore Rd Brainard Rd Smith Neck Rd Billow Rd Olive St Depot Rd Connecticut Ave Roxbury Ct Dennison Rd Rogers Lake Trl Library Ln Sterling Hill Rd Yorkshire Dr Way Hill Rd Flat Rock Hill Rd Pink Row Sterling City Rd Pilgrim Rd Miner Ave Egret Rd Lloyd Rd Mary St Sleepy Hollow Rd Millstone Nuclear Access Rd Kenyon Rd Saunders Hollow Rd Twin Lakes Dr Soljer Dr Fargo Rd Pepperbox Rd Paula Ln Edge Hill Rd Cross Ln Breen Ave Mitchell Rd Montville Connector Bayview Rd Saltaire Dr Louise St Mostowy Rd Elys Ferry Rd Oakwood Rd Joy Ln Brill Ave Greentree Dr Osprey Rd Heritage Rd New London-Orient Point Rock Ridge Rd Johnny Cake Hill Rd Society Road NO 1 Squire St Edgewood Rd Stonewall Rd Colton Rd Day Rd Doyle Rd Bush Hill Dr 4th Ave Milton Dr Quailcrest Rd Drabik Rd Vivian St Champlain Dr Binney Rd Carriage Hill Dr Ashcraft Rd Viets St Person Rd Corsino Ave Salt Box Ln Beckwith Rd Old Post Rd Haley Rd Maple Rd Skyline Dr 4WD Road Portland Ave Locust Ct Indian Hill Rd Boggy Hole Rd Pine Rd Village Dr Terrace Ave Avery Ln Dubois Rd Gardiners Wood Rd Milton Rd 1st St Susan Ter Mayfield Ter Industrial Dr Jeremy Dr Scotch Cap Rd Pine St Coit St Hillcrest Dr Bellaire Dr Sequassen Ave Columbus Ave 1st Ave Woodchuck Rd Linda Ave Quinley Way Grand St Brighton Rd Ben Franklin Rd Judson Rd Lakes Pond Rd Carol Dr Poppy Ln Devonshire Dr Beechwood Rd End Ave Short Hills Rd Hickory St Arbor Xing Stone Ranch Rd Back Dunns Ln Attawan Rd Norwood Ave Alexander Dr Benham Ave Cobblers Ct Strand Jean Dr Flagler St Neck Rd Ridgewood Ave Perimeter Rd Matson Rdg Ridge Rd Griswold Pt Old Mill Rd Edge Lea Rd Romagna Rd Put Dr Perry Ave Brook Rd Chadwick Dr West End Dr Fielding Dr Broad Street Ext Waterford Pkwy Jadon Dr Monroe St Colonial Dr Rogers Hill Rd Daisy Hill Dr Nautilus Dr Brightwater Rd Foster Rd West St Sandpiper Ln Raymond Hill Rd Oak Hill Rd Longview St Forest Rd Daisy Hill Rd New Shore Rd Colony Rd Becket Hill Rd Over Brook Rd Wildwood Dr Unger Rd Willow Ln Seaview Rd Dunbar Rd Roseleah Dr Sunrise Trl Jordan Cove Rd Blackhall St Lee Farm Dr Hawthorne Dr Cromwell Pl Lincoln Ave Goldfinch Ter Stonewood Dr Chestnut Hill Rd Park Dr Smith Ave Palmer Rd Corrina Ln Beacon Hill Dr Cottonwood Ln Sapia Dr Marion Dr Crest St Grabner Dr Three Bridges Rd Rose Ln Whitecap Rd Dock Rd Pond Hill Rd Central Ave Norman St 6th Ave Pheasant Run Laurel Dr Spinnaker Dr Liberty Way Morris Ln 5th Ave 7th Ave Bishop St Connecticut Rd South St Birch Mill Rd River St High Ridge Dr Connshire Dr York Ave Silva Ln Lincoln Rd Service Road Ascot Dr Decker Ln Fulmore Dr Marcia Dr High Ridge Rd Forest St Park Pl Dell Ave Pond Hollow Rd Sea View Ave Old Barry Rd Enterprise Dr Glendale Rd High St Joval St Craig Rd State Rd Shawandassee Rd Summer St Crandall Hill Rd Willow Dr Jodry St Thames St Center Rd Ladyslipper Ln Sea Crest Ave Tinker Ln Cutler St Porter St Bridebrook Rd Starr Rd Prospect St Gada Rd Pond Edge Dr Riverview Ave Fitch Ave Boughton Rd Windward Ln Marilyn Rd Deerfield Rd Birch Ter Somerset Ln Tanglewood Dr Hill Top Trl Parker Dr Coit Ct Lee Rd Old Grassy Hill Rd Maple Ct Maiville Dr Pember Rd Park Side Dr Surry Ln Laurelwood Dr Paddock Rd Longacre Ln Noyes Rd Park Rd Beverly Rd Sea Breeze Ave Totoket Rd Huntley Rd Fuller St Clark St Oak Rd Capitol Dr Olivia Ln Sargent Rd Faulkner Dr Morgan St Great Wight Way Riverside Dr Haywagon Rd Oak Hill Dr Burlake Rd Macknik Dr Gorton St Harvey Ave Grove Ave Victoria Ln Honey Hill Ln Town Rd Mansewood Rd Laurel Hill Dr Evergreen Ln Hough Rd Hempstead St Atwood Dr Bathing Beach Rd Ferro Dr Cove St Lords Meadow Ln Millers Pond Rd Hillwood Dr Elton Ct Perry St North Ln Wharf Rd Regatta Dr Brockett Rd Wayne Dr Industrial Park Rd Warren St 3rd Ave Uncas Ave Bergman Dr Fitzgerald Ave Lower Bartlett Rd Hillside Rd Jerome Ave Overlook Dr Cinderella Ln Quaker Ln Clark Pl Miami Ave Dump Rd Otter Rock Rd Maplewood Dr Naomi Ln Oakridge Dr Mackinnon Pl Peppermint Rdg Beach Ave Pattagansett Dr Wychwood Rd Evergreen Ave Lee Ave Laurel Crest Dr Linden St Valley St Cedar Hollow Dr Briar Hill Dr Cherry St Otter Creek Rd Squire Hl Sands Dr Maple Ter Seaside Ln Penncove Dr Bayview Ave Dogwood Dr Lee Dr Fifth Ave Hillwood Rd Grouse Cir Brookfield Dr Latimer Dr Kevin Rd Wilcox Ct Alger Pl Sea Ln Blydenburg Ave Sander St Whitney Ln Walnut Rd Edgewood Ave Maywood Dr Marguy St Greystone Dr Atlantic St Whaling Dr Bittersweet Dr Marlin Dr Raymond St Webster Rd Stone Cliff Dr Sunset Ave Wynwood Rd Damon Heights Rd Hill Rd Caulkins Rd Catbriar Ln Gould Ln Littlefield Ln Savi Ave Robin Boulder Dr Rathbun Rd Old Bridge Rd Shore Acres Rd Avery Ct Fox Hollow Dr Baldwin Dr Strand Rd Country Club Rd Woodland Dr Mohican Ave Bartlett Rd Winthrop Dr Academy Ln Pear Grv Bates Woods Park Rd McCulloch Farm Oakridge Rd Strosberg Rd Stoneywood Dr Bartlett Pl Sunset Dr Cranberry Dr Cottage Ln Scenic View Dr Harvest Gln Holly Ln Woodbridge Rd Mayfair Dr Seabreeze Dr Peach Ln Black Oak Dr 9th Ave Josan Dr Wallace St Pleasant St Nicoja Way Hawthorne Rd Howard St Division St Nelson Dr Westwood Dr 2nd St Spring St Haigh Ave Memory Ln Learned St Magonk Point Rd Deer Run 8th Ave Shore Dr Harbor View Ave Greencliff Dr Partridge Ct Charter Oak Dr Country Club Dr Green Vly Alewife Rd Ward Pl Sandpiper Point Rd Whippletree Ln MacKenzie Rd Ellen Ward Rd Rocco Dr Meadow Dr Village Ln Purtill Rd Mill Ln Beckwith Ln Nottingham Dr Brook St Berberis Dr Lois Ave William St Compass Ct Carroll Ct Park Ct Caribou Dr Fairway Ln Grand View Rd Wolcott Ln Monticello Dr 10th Ave Hemingway Rd Ball Ln Rainbow Dr Riverside Ave Chester Ct Oakland Ave Beverly St Chapman Woods Rd Stanton St Stone St Vista Dr Winthrop Ct Perkins Farm Rd Cove Hill Rd George St Nathan Hale Dr Bittersweet Ln Sixth Ave Lakeside Pennicott Rd Francis Ln Rye Field Rd Ce d a r St Bonville Dr Private Rd Salt Box Cir Plant Dr Westwood Ave Riverview Dr Brookside Ave Sunniecrest Dr Miranda Way Hickory Ct Looking Glass Cir Weimes Ct Stonliegh Knls Bayberry Ln Leary Dr Hewitt Dr Riverbend Rd Tisbury Rd Warwick Ter Hilltop Rd McCook Pl Buell Pl Park Ln Brewer St Maginnis Pkwy King James Dr Glenvale St Buchanan Rd Canty Ln Mill Rd Granite Ct Milefski Dr Champion Rd Cedar Ridge Rd Waterview Dr David St Coach Dr Applewood Cmn Ledge Rock Rd Manatuck Dr Sunshine Rd Oak Tree Ln Tarrytown Ln Village Ct Lakeside Dr Barone Rd Sunset Hl Ray St Darling Ln Ridge Cir Sandalwood Ln Landing St North Dr Red Fox Rd Highway Pt East St Kaatskill Ln Meadow St Jordan Ter Barrett Dr Blackwell Ln Ledge Trl Mountain View Rd Summer Rest Rd Whittlesay Pl Old Stone Way Charles Ave Woodrow Dr Darrows Ct Bellevue Pl Joshua Valley Rd Aberdeen Ct Unter Trl Wickford Ln Jefferson Dr Lakeview Dr Osprey Ln Evergreen Trl Sunset Rd Peggy Ln Kinner Ave Beach St Georgetown Rd Enterprise Ln VL View Dr Padgett Pl Winchester Ct Flanders Rd US Hwy 1 Neck Rd Oak Rd Vauxhall St 3rd Ave Shore Rd Cove Rd Governor John Davis Lodge Tpke Boggy Hole Rd I 395 Short Hills Rd Route 156 Waterford Pkwy Chesterfield Rd 4th Ave Grassy Hill Rd I 95 5th Ave Billow Rd Society Rd Frontage Rd Rose Ln Shore Dr Jean Dr Parkway Ferry Rd Dogwood Dr Laurel Dr Village Dr High St Mohegan Ave Parkway Millstone Rd Neck Rd Greentree Dr Parkway Exit 75 Exit 81 Exit 72 Exit 84E Exit 77 Exit 79 Exit 84N Exit 74 Exit 78 Exit 70 Exit 73 Exit 80 Exit 71 Exit 82 Exit 83 Exit 82A Exit 73 Exit 82 Exit 81 Exit 72 Exit 77 Exit 75 § ¨ ¦ 395 § ¨ ¦ 95 § ¨ ¦ 395 § ¨ ¦ 95 £ ¤ 1 £ ¤ 1 S V 85 S V 161 S V 156 S V 32 S V 82 S V 163 S V 154 LYME EAST LYME WATERFORD OLD LYME MONTVILLE SALEM EAST HADDAM NEW LONDON OLD SAYBROOK Lyme-Old Lyme Middle School SURFICIAL MATERIALS EAST LYME, CONNECTICUT GLACIAL AND POSTGLACIAL DEPOSITS DATA SOURCES SURFICIAL MATERIALS DATA – Surficial Materials shown on this map are from the Surficial Material Poly dataset which contains polygon data intended to be used at 1:24,000 scale. Based on Connecticut Surficial Materials digital data published in 1995 by the Connecticut Department of Environmental Protection, in cooperation with the U.S. Geological Survey. These data were digitized from the 1:24,000-scale compilation sheets prepared for the statewide Surficial Materials Map of Connecticut, (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S. Geological Survey special map, 2 sheets, scale 1:125,000). BASE MAP DATA - Based on data originally from 1:24,000-scale USGS 7.5 minute topographic quadrangle maps published between 1969 and 1992. It includes political boundaries, railroads, airports, hydrography, geographic names and geographic places. Streets and street names are from Tele Atlas ® copyrighted data. Base map information is neither current nor complete. RELATED INFORMATION This map is intended to be printed at its original dimensions in order to maintain the 1:24,000 scale (1 inch = 2000 feet). QUATERNARY GEOLOGY AND SURFICIAL MATERIALS DATA - 1:24,000-scale digital spatial data of Connecticut Quaternary Geology and Surficial Materials combined into one dataset, published by the Connecticut Department of Environmental Protection, in cooperation with the U.S. Geological Survey. These data were digitized from the 1:24,000-scale compilation sheets prepared for both the Surficial Materials Map of Connecticut, Stone and others, 1992, 1:125,000 and the Quaternary Geologic Map of Connecticut and Long Island Sound Basin, Stone and others, 2005, 1:125,000. OTHER GEOLOGIC MAPS - This map is also available for individual USGS topographic quadrangles of Connecticut. Other bedrock, surficial, and quaternary (glacial) geology quadrangle maps and reports published by the Connecticut Geological and Natural History Survey, USGS, and others are also available from CT DEP. MAPS AND DIGITAL DATA - Go to the CT ECO website for this map and a variety of others. Go to the CT DEP website for the digital spatial data shown on this map. Map created by CT DEP August 2009 Map is not colorfast Protect from light and moisture STATE OF CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION 79 Elm Street Hartford, CT 06106-5127 PARTICLE DIAMETER Very Coarse Sand Boulders Cobbles Pebbles Granules Medium Sand Clay Fine Sand Very Fine Sand Silt GRAVEL PARTICLES SAND PARTICLES FINE PARTICLES Coarse Sand 10 2.5 .16 .08 .04 .02 .01 .005 .0025 .00015 in mm 256 64 4 2 1 .5 .25 .125 .068 .004 Grain-size classification (modified from Wentworth, 1922) GLACIAL ICE-LAID DEPOSITS Thin Till t Thick Till tt End Moraine deposits ts GLACIAL MELTWATER DEPOSITS Fine Deposits Coarse Deposits Stacked Coarse Deposits Fines (very fine sand, silt, and clay) f Gravel g Sand and Gravel sg Sand s Gravel overlying Sand and Gravel g/sg Gravel overlying Sand g/s Sand and Gravel overlying Sand sg/s Sand and Gravel overlying Sand overlying Sand and Gravel sg/s/sg Sand overlying Gravel s/g Sand overlying Sand and Gravel s/sg Stacked Fine Deposits Overlying Coarse Deposits f/sg f/s Stacked Coarse Deposits Overlying Fine Deposits Gravel overlying Sand overlying Fines g/s/f Gravel overlying Fines g/f Sand and Gravel overlying Sand overlying Fines sg/s/f Sand and Gravel overlying Fines sg/f Sand overlying Fines s/f Fines overlying Sand and Gravel Fines overlying Sand POSTGLACIAL DEPOSITS * Alluvium may be overlying any of the Coarse deposits (g, sg, s) Floodplain Alluvium a Alluvium overlying undifferentiated Coarse deposits (g, sg, s) a/sg * Alluvium overlying Sand a/s Alluvium overlying Fines a/f Alluvium overlying undifferentiated Coarse deposits overlying Fine deposits a/s/f * Alluvium overlying undifferentiated Fine deposits overlying Coarse deposits a/f/g * Swamp deposits sw Swamp deposits overlying Sand sw/s Swamp deposits overlying Fines sw/f Swamp deposits overlying Sand overlying Fines sw/s/f Swamp deposits overlying Fines overlying Sand sw/f/s Salt-Marsh and Tidal-Marsh deposits sm Salt-Marsh and Tidal-Marsh deposits overlying Sand sm/s/f Salt-Marsh and Tidal-Marsh deposits overlying Fines sm/f Talus ta Beach deposits b Artificial Fill af Water w State Plane Coordinate System of 1983, Zone 3526 Lambert Conformal Conic Projection North American Datum of 1983 £ MAP LOCATION EXPLANATION Unconsolidated glacial and postglacial deposits, that range from a few feet to several hundred feet in thickness, overlie the bedrock surface of Connecticut (see Block Diagram).This map portrays the areal extent and subsurface grain-size (textural) distributions of these surficial materials. The map legend is designed to highlight the relationship between the depositional origins and the distribution and character of the materials portrayed. Most of Connecticut’s surficial material is glacially derived, and can be divided into two broad depositional categories: Glacial Ice-Laid deposits (tills and moraine) which are generally exposed in the uplands, and are the most widespread surficial deposit in Connecticut; and Glacial Meltwater deposits (stratified deposits) which are most commonly concentrated in valleys and lowlands. A mapping emphasis is placed on stratified meltwater deposits because their distribution and character have historically influenced development patterns throughout the state. For a complete description of surficial materials map units, and further information concerning their thickness and modes of occurrence, please refer to the published Surficial Materials Map of Connecticut and the companion Quaternary Geologic Map of Connecticut and Long Island Sound Basin (see Data Sources). Glacial Ice-Laid deposits (tills and moraine) were derived directly from the ice and consist of nonsorted, generally nonstratified mixtures of grain-sizes ranging from clay to large boulders. The matrix of most tills is predominantly sand and silt and boulders can be sparse to abundant. Some tills contain lenses of sorted sand and gravel and occasionally masses of laminated fine-grained sediment. The lack of sorting and stratification typical of ice-laid deposits often makes them poorly drained, difficult to dig in or plow, mediocre sources of groundwater and unsuited for septic systems. Till blankets the bedrock surface in variable thicknesses and commonly underlies stratified meltwater deposits (see Block Diagram). End moraine deposits (primarily ablation till) occur principally in southeastern Connecticut. Glacial Meltwater deposits (stratified deposits) were laid down in glacial streams, lakes and ponds which occupied the valleys and lowlands of Connecticut as the last ice sheet melted away to the north. They are often composed of layers of well-to-poorly sorted sands, gravels, silts and clays with few to no boulders, and owing to their water-related depositional origins they have many characteristics that are favorable for development. Because water is a better sorting agent than ice, glacial meltwater deposits are commonly better sorted, more permeable, and better aquifers than ice-laid deposits. They can be good sources of construction aggregate, and are relatively easy to excavate and build highways and buildings on. Meltwater deposits are depicted using four basic texturally-based map units: gravel, sand and gravel, sand, and fines. To the extent that it is known or can be inferred, the subsurface textural composition of meltwater deposits is shown for their entire vertical thickness. In many places similar conditions persisted for the entire time that a meltwater deposit was being laid down, and a single map unit (e.g. s- sand) is sufficient to describe the entire meltwater section. Areal and vertical textural variability can occur within the meltwater deposits because the amount of energy available to carry sediment varies with each meltwater setting (stream, delta, lake, etc.), and settings can change over time. High-energy depositional environments near glacial margins (proximal) tend to favor deposition of coarse material but as time passes, and the glacial margins melt back, less energy is available and finer grained distal deposits can become predominant. Where more complex stratigraphic relationships existed because of changing conditions during deposition, “stacked” map units are used to characterize the subsurface (e.g. sg/s/f - sand and gravel overlying sand overlying fines). Where postglacial deposits overlie meltwater deposits, this relationship is also shown (e.g. a/s - alluvium overlying sand). Postglacial Sediments (primarily floodplain alluvium and swamp deposits) are less widely distributed and are typically thinner than the glacial deposits that they overlie, but they are locally important ecological, agricultural, commercial, and recreational resources. Talus, a result of rockfall at the base of steep bedrock (primarily trap rock) cliffs, provides a cool damp ecological niche. Beach, marsh and swamp deposits are key ecological elements of coastal and poorly drained inland settings. Deposits of floodplain alluvium are largely composed of sands, gravels and silts that have been reworked from glacial deposits and mixed with organic matter which increases their fertility. Despite their flood-prone nature, low, flat, fertile floodplains have historically been attractive for agricultural uses and development related to water-dependant commerce. SCALE 1:24,000 (1 inch = 2000 feet) when map is printed at original size 1 0 1 0.5 Kilometers 1000 0 1000 2000 3000 4000 5000 6000 7000 Feet 1 0 1 0.5 Miles

SU RF IC ALMTE S SV GLACIAL AND POSTGLACIAL DEPO SITcteco.uconn.edu/maps/town/surfmat/SurfMat_EastLyme.pdf · Lym e-O ld Lym Hig hSc o Dr Charles E Murphy School Neww London Science

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Page 1: SU RF IC ALMTE S SV GLACIAL AND POSTGLACIAL DEPO SITcteco.uconn.edu/maps/town/surfmat/SurfMat_EastLyme.pdf · Lym e-O ld Lym Hig hSc o Dr Charles E Murphy School Neww London Science

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Goshen

Jordan

Fenwick

Seaside

Niantic

Hamburg

Millstone

Ridgewood

Laysville

Sound View

Black Hall

South Lyme

Pine Grove

North Lyme

Uncasville

Palmertown

Black Point

Giants Neck

Sandy Point

Golden Spur

Quaker Hill

Quaker Hill

Lyme Station

Graniteville

Chesterfield

Four Corners

Point O'Woods

Attawan Beach

Crescent Park

Pleasure Beach

Crescent Beach

Saunders Point

Old Lyme Shores

Manitock Spring

Hawks Nest Beach

Morningside Park

White Sands Beach

Black Point Beach Club

Pie Hill

Amon Hill

Myer HillLord Hill

Hart Hill

Bill Hill Pond Hill

Bay Point

Game Ledge

Sodom Hill

Brown HillSmith Hill

Great Hill

Polly Hill

Ridge Hill

Sharp Hill

Fox Island

Rocky NeckPond Point

Mago Point

Great NeckDurfey Hill Stuart Hill

Quarry Hill

Mullen Hill

Mount Tabor

Wilson Hill

Becket Hill

Haines Hill

Grassy Hill

Morgan Hill

Pigeon Hill

Walnut Hill

Mink Island

Lynde Point

Smiths Neck

Black Point

White Point

Giants Neck

Ferry Point

Smith Ledges

Mount Ararat

Mallory Hill

Mount Caesar

Twomile Hill

Soldier Hill

Tiffany Hill

Douglas Hill

Latimer Hill

Konomoc Hill

Great Island

Watts Island

Goose Island

Goshen PointMagonk Point

McCook PointLamphere Hill

Manitock Hill

Mahoneys Hill

Beckwith Hill

Crandall Hill

South Brother

North Brother

Calves Island

Chapman Ridge

Poverty Point

Seaside Point

Pepperbox Hill

Pumphouse HillArtillery Hill

Nickerson Hill

Barnville HillBeaverdam Hill

Poverty Island

Twotree Island

Huntley Island

Griswold Point

Hatchett PointSaybrook Point

Cranberry Ledge

Johnnycake Hill

Macks Mill Hill

Griswold Island

Saltworks Point

Millstone Point

Candlewood Ledge

Oswegatchie Hill

Waterford Island

Haughton Mountain

The Bar

Pleasure Beach

Sound View Beach

Rocky Neck Beach

White Sands Beach

McCook Point Beach

Waterford Town Beach

Hole-In-The Wall Beach

Car Pond

Red Brook

Fox Brook

Spot Pond

Duck Pond

Bush Pond

Shaw Cove

Smith Cove

Swan Brook

Mill Brook

Mile Creek

Duck River

Beaver Dam

Uncas Pond

Sharp Pond

Scott Pond

Pings Pond

Perry Pond

Perry Pond

Mazer Pond

Lucky Pond

Dodge Pond

Davis Pond

Clark Pond

Cedar Lake

Bride Lake

Banks Pond

Smith Cove

Keeny Cove

Stony Brook

Sandy Brook

Polly BrookHunts Brook

Hunts Brook

Hedge Brook

Falls Brook

Bride Brook

Bogue Brook

Wagner Pond

Tinker Pond

Rogers Lake

Powers Lake

Picker Pond

Pequot Pond

Miller Pond

Little Pond

Lake Cuheca

Indian Pond

Havens Pond

Gorton Pond

Dodson Pond

Darrow Pond

Goshen Cove

Jordan Cove

Niantic Bay

Great Swamp

Nevins Brook

Ledges Brook

Jordan Brook

Jordan Brook

Gurley Brook

Fenger Brook

Church Brook

Beaver Brook

Beaver Brook

Toupass Pond

Pizzini Pond

Norwich Pond

Morgans Pond

Lake Konomoc

Johnson Pond

Darling Pond

Brubeck Pond

Brocket Pond

Bingham Pond

Alewife Cove

Banning Cove

Silver Falls

Tisdale Brook

Strongs Brook

Sawmill Brook

Oxoboxo Brook

Niantic River

Latimer Brook

Whitmans Pond

Troopers Pond

Southern Pond

Rockland Pond

Red Mill Pond

Moulsons Pond

Goodwins Pond

Gardners Pond

Ed Bills Pond

Beckwith Pond

Oil Mill Brook

Fourmile River

Fourmile River

Upper Millpond

Lower Millpond

Lake Brandegee

Cranberry Pond

Threemile River

Millstone Brook

Eightmile River

Armstrong Brook

Falls Brook Dam

New London Pond

Blackwells Pond

Black Hall Pond

Lieutenant River

Lakes Pond Brook

Cedar Pond Brook

Black Hall River

Beaver Dam Brook

Beaver Brook Dam

Lovers Lane Pond

Jordan Mill Pond

High School Pond

Fire Street Pond

Braman Road Pond

Barnes ReservoirHorse Pound Brook

Green Swamp Brook

Grassy Hill Brook

Deep Hollow Brook

Connecticut River

Broad Swamp Brook

Whippoorwill Pond

E.A. Whitford Dam

Silver Falls Pond

Shawandassee Pond

Pilgrim Road Pond

Pattagansett Lake

Little Dodge Pond

Gay Cemetery Pond

Cranberry Bottoms

Shingle Mill Brook

Pattagansett River

Pattagansett River

Latimer Brook Pond

Fourmile Pond No 1

Willys Meadow Brook

Deep Hollow Brook Dam

Bogue Brook Reservoir

Cranberry Meadow Brook

Cranberry Meadow Brook

Green Valley Lake Lower

Connecticut College Pond

East Branch Eightmile River

Northeast Branch Black Hall River

Blackboys

Long Rock

Seal Rock

Flat Rock

High Rock

Long Ledge

Back River

Johns Rock

White Rock

Black Rock

Sodom Rocks

Little Rock

Wigwam Rock

Goshen Ledge

Bartlett Reef

Saybrook Shoal

Threefoot Rock

Gilbralter Rocks

Calves Island Bar

Saybrook Outer Bar

Little Goshen Reef

Saybrook Shoal ChannelTwotree Island Channel

Calves Island Bar Channel

Mile CreekAirport

Devils Hopyard FieldAirport

Baldwin Bridge

Lawrence and Memorial Hospital

Center School

Flanders School

Jennings School

Williams School

Edgerton School

Mile Creek School

Montville Alternate

Cohanzie Elementary

Leonard J Tyl Middle

Southwest Elementary

Niantic Center School

Great Neck Elementary

Waterford High School

Montville High School

East Lyme High School Little Red Schoolhouse

Lillie B Haynes School

Quaker Hill Elementary

Oswegatchie Elementary New London High School

East Lyme Middle School

Lyme Consolidated School

Friendship Magnet School

Clark Lane Middle School

Lyme-Old Lyme High School

Dr Charles E Murphy School

Bennie Dover Jackson Middle SchoolNew London Science and Technology High School

Connecticut College

Lyme Academy of Fine Arts

I 95

I 395

Route 156

State Hwy 156

US Hwy 1

Main St

State Hwy 85

Governo

r John

Davis L

odge T

pke

State Hwy 161

Hamburg Rd

Shore Rd

Route 1

Fire St

Boston Post Rd

Keen

y Rd

Route 56

Hartford Tpke

Grassy Hill Rd

Route 85

Blood St

Gungy Rd

Plains

Old Colchester Rd

State Hwy 8

2

Mohegan Ave

Mile Cre

ek Rd

Parkway

Chesterfield Rd

Cros

s Rd

Route 32 Route 163

Sill L

n

Broad St

Oakdale Rd

Vauxhall Street Ext

Maple Ave

Scott Rd

Butlertown Rd

State Hwy 32

Salem Rd

Beaver Brook Rd

Turner Rd

Moxley Rd

Williams St

Fland

ers R

d

Oil M

ill Rd

Darling Rd

Rope Ferry Rd

Gurley Rd

Hartford New London Tpke

Colman St

Norwich Salem Rd

Bride Brook Rd

Lyme S

t

Great Neck Rd

Niantic River Rd

Dean Rd

Society Rd

Coleman St

Roxbury Rd

Hopy

ard R

d

Whippoorwill Rd

Ocean Ave

Old N

orwich

Rd

Mohe

gan A

venu

e Pkw

y

Holmes Rd

Clark Ln

Four Mile River Rd

Jefferson Ave

Baker

Ln

Town Woods Rd

Ridge Hill Rd

Bloomingdale Rd

Whistle Town Rd

Spithead Rd

Mohe

gan A

venu

e Ext

Salem Turnpike Rd

Love

rs Ln

Norwi

ch - N

ew Lo

ndon

Rd

Dayton Rd

Old New London Rd

Bill Hill Rd

Miner Ln

Norw

ich N

ew Lo

ndon

Tpke

Lake Rd

Butto

nball

Rd

Haddam Tpke

West Rd

Bank St

Vauxhall St

Frontage Rd

Upper Pattagansett Rd

Fog Plain Rd

Braman Rd

Pruett Pl

Giants Neck Rd

Gallup Ln

Browns Ln

Devils

Hop

yard

Rd

Corey Ln

Route

161

New London Rd

Gay Hill R

d

Lathr

op R

d

CH Hill Rd

Walnut Hill Rd

Willetts Ave

Old Black Point Rd

Upper Fourmile River Rd

Halls Rd

Bolles Ln

Hatchetts Hill Rd

Douglas LnBri

dge S

t

Jerome Rd

Brigg

s St

B Ln

Elm St

Montauk Ave

Rowland R

d

Qry D

ock R

d

Jeric

ho D

r

Salem Tpke

Hunts

Broo

k Rd

Oswegatchie Rd

Haddam Rd

Bayonet St

Hope St

Lord Hill Ln

Gilead Rd

North Rd

McCu

rdy R

d

Black

Point

Rd

Cove Rd

Mullen Hill Rd

Chapel Hill Rd

Burr Rd

Sharp Hill Rd

Spring Rock Rd

Oak S

t

Pennsylvania Ave

Dayton Road NO 1

Coult Ln

Quarr

y Doc

k Rd

Quarry Rd

Niles Hill Rd

Daniels Ave

White Birch

Rd

Plants Dam Rd

End Dr

Ledy

ard St

Essex

Tpke

West Ln

Riverv

iew R

d

Millstone

Rd

Ferry Rd

Pequot Rd

Hickory Ln

Dimmo

ck R

d

Groton St

Trumbul

l Rd

Plum Hl

Gallows Ln

Goshen Rd

Hillcrest Rd

Fairhaven RdUp

per W

alnut

Hill R

d

Mount Archer Rd

Cardinal Rd

Lamphere Rd

Smith St

Valley Dr

Swan Ave

Old Shore Rd

Braina

rd Rd

Smith Neck Rd

Billow Rd

Olive St

Depot Rd

Connecticut Ave

Roxb

ury C

t

Dennison Rd

Rogers Lake Trl

Library Ln

Sterling Hill Rd

Yorkshire Dr

Way Hill Rd

Flat R

ock Hi

ll Rd

Pink R

ow

Sterlin

g City

Rd

Pilgrim Rd

Miner Ave

Egret

Rd

Lloyd Rd

Mary St

Sleepy Hollow Rd

Millsto

ne Nu

clear

Acce

ss Rd

Kenyon Rd

Saunders Hollow Rd

Twin Lakes Dr

Soljer D

r

Fargo

Rd

Pepperbox Rd

Paula

Ln

Edge Hill Rd

Cross Ln

Breen Ave

Mitchell Rd

Montville Connector

Bayview Rd

Saltaire Dr

Louise St

Mosto

wy Rd

Elys Ferry Rd

Oakwood Rd

Joy Ln

Brill Ave

Greentree Dr

Osprey Rd

Herita

ge R

d

New L

ondon-

Orient

Point

Rock Ridge Rd

Johnny Cake Hill Rd

Society R

oad NO 1 Squire St

Edgewood Rd

Stonewall Rd

Colton Rd

Day Rd

Doyle Rd

Bush Hill Dr

4th Ave

Milton Dr

Quailcrest RdDrabik Rd

Vivian St

Champlain Dr

Binney Rd

Carria

ge H

ill Dr

Ashcraft Rd

Viets St

Perso

n Rd

Corsino Ave

Salt Box Ln

Beckw

ith Rd

Old Post Rd

Haley Rd Maple Rd

Skyline Dr

4WD

Road

Portland Ave

Locust Ct

Indian Hill Rd

Boggy Hole Rd

Pine Rd

Village Dr

Terra

ce Av

e

Avery L

n

Dubois Rd

Gardiners Wood Rd

Milton Rd

1st St

Susan Ter

Mayfield Ter

Industr

ial Dr

Jerem

y Dr

Scotch Cap Rd

Pine S

t

Coit St

Hillcr

est D

r

Bellaire Dr

Sequassen Ave

Columbus Ave

1st Ave

Woodchuck Rd

Linda Ave

Quinl

ey W

ay

Grand St

Brighton Rd

Ben Franklin Rd

Judson Rd

Lakes

Pond Rd

Carol Dr

Poppy Ln

Devonshire Dr

Beechwood Rd

End Ave

Short Hills Rd

Hicko

ry St

Arbor Xing

Stone Ranch Rd

Back

Dunns

Ln

Attawan Rd

Norwood Ave

Alexan

der D

r

Benham Ave

Cobblers Ct

Strand

Jean Dr

Flagler St

Neck RdRidgewood Ave

Perimeter Rd

Matson Rdg

Ridge Rd

Griswold Pt

Old Mill Rd

Edge Lea Rd

Roma

gna R

d

Put Dr

Perry Ave

Brook Rd

Chadwick Dr

West End Dr

Fieldi

ng D

r

Broad Street Ext

Waterford Pkwy

Jadon Dr

Monroe St

Colonial Dr

Rogers Hill Rd

Daisy Hill Dr

Nautilus Dr

Brightwater Rd

Foster Rd

West St

Sand

piper

Ln

Raymond Hill Rd

Oak Hill Rd

Longview St

Forest Rd

Daisy Hill Rd

New Shore Rd

Colon

y Rd

Becket Hill Rd

Over Brook Rd

Wildwood Dr

Unger Rd

Willow Ln

Seaview Rd

Dunbar Rd

Roseleah Dr

Sunrise

Trl

Jordan Cove Rd

Blackhall St

Lee Farm Dr

Hawt

horne

Dr

Cromwell Pl

Lincoln Ave

Goldf

inch T

er

Stonewood Dr

Chestnut Hill Rd

Park

Dr

Smith Ave

Palmer Rd

Corrina Ln

Beacon Hill Dr

Cottonwood Ln

Sapia

Dr

Marion Dr

Crest St

Grabner Dr

Three Bridges Rd

Rose Ln

Whitecap Rd

Dock Rd

Pond Hill Rd

Centr

al Av

e

Norman St

6th Ave

Phea

sant

Run

Laure

l Dr

Spinnak

er Dr

Libert

y Way

Morris Ln

5th Ave

7th Ave

Bishop St

Connecticut Rd

South St

Birch Mill Rd

River

St

High Ridge Dr

Connshi

re Dr

York Ave

Silva Ln

Lincoln Rd

Service Road

Ascot Dr

Decker Ln

Fulmore Dr

Marci

a Dr

High R

idge R

d

Forest St

Park

Pl

Dell Ave

Pond Hollow Rd

Sea View Ave

Old Barry Rd

Enterprise Dr

Glendale Rd

High St

Joval St

Craig Rd

State Rd

Shawandassee Rd

Summer St

Crandall Hill Rd

Willow Dr

Jodry St

Thames St

Center Rd

Ladysl

ipper

Ln

Sea Crest Ave

Tinker Ln

Cutler St

Porter St

Bridebrook Rd

Starr Rd

Prospect St

Gada

Rd

Pond Edge Dr

Riverview Ave

Fitch

Ave

Boug

hton R

d

Windward Ln

Marilyn Rd

Deerfield Rd

Birch Ter

Somerset Ln

Tang

lewoo

d Dr

Hill Top Trl

Parker Dr

Coit Ct

Lee Rd

Old G

rassy

Hill

Rd

Maple Ct

Maiville Dr

Pember Rd

Park Side DrSurry Ln

Laure

lwood

Dr

Paddock RdLongacre Ln

Noyes Rd

Park Rd

Beverly Rd

Sea Breeze Ave

Totoket Rd

Huntley Rd

Fuller St

Clark

St

Oak Rd

Capitol Dr

Olivia Ln

Sargent Rd

Faulkner Dr

Morgan St

Great Wight Way

Riverside Dr

Haywagon Rd

Oak H

ill Dr

Burlake Rd

Macknik Dr

Gorton St

Harvey Ave

Grov

e Ave

Victoria Ln

Honey H

ill Ln

Town Rd

Mansewood Rd

Laurel Hill Dr

Evergreen Ln

Hough Rd

Hempstead St

Atwoo

d Dr

Bathing Beach Rd

Ferro

Dr

Cove

St

Lords Meadow Ln

Millers Pond Rd

Hillwood Dr

Elton Ct

Perry St

North Ln

Wharf Rd

Regatta

Dr

Brockett Rd

Wayne Dr

Industrial Park Rd

Warren St

3rd Ave

Uncas Ave

Bergman Dr

Fitzgerald Ave

Lower Bartlett Rd

Hillside Rd

Jerome Ave

Overlook Dr

Cinderella Ln

Quaker Ln

Clark Pl

Miami Ave

Dump Rd

Otter Rock Rd

Maplewood DrNaom

i Ln

Oakridge Dr

Mackinnon Pl

Pepp

ermint

Rdg

Beach Ave

Pattag

ansett

Dr

Wych

wood

Rd

Evergreen Ave

Lee Ave

Laurel Crest Dr

Linden St

Valley St

Cedar Hollow Dr

Briar Hill Dr

Cherry St

Otter

Cree

k Rd

Squire Hl

Sands Dr

Maple Ter

Seaside Ln

Penncove Dr

Bayview Ave

Dogwood Dr

Lee Dr

Fifth Ave

Hillwood Rd

Grouse Cir

Brookfield Dr

Latim

er Dr

Kevin Rd

Wilcox Ct

Alger Pl

Sea Ln

Blydenburg Ave

Sander St

Whitney Ln

Walnu

t Rd

Edgewood Ave

Maywood Dr

Marguy St

Greystone Dr

Atlantic St

Whaling Dr

Bittersweet Dr

Marlin Dr

Raymond St

Webster Rd

Stone Cliff Dr

Sunset Ave

Wynwood Rd

Damon Heights Rd

Hill Rd

Caulkins Rd

Catbriar Ln

Gould

Ln

Littlefield Ln

Savi A

ve

Robin

Bould

er Dr

Rathb

un R

d

Old Bridge Rd

Shore

Acres

Rd

Avery Ct

Fox Hollow Dr

Baldwin D

r

Strand Rd

Coun

try C

lub R

d

Woodland Dr

Mohican Ave

Bartle

tt Rd

Winthrop

Dr

Academy Ln

Pear

Grv

Bates Woods Park Rd

McCu

lloch

Farm

Oakridge

Rd

Stros

berg

Rd

Stoneywood Dr

Bartle

tt Pl

Sunset Dr

Cranberry Dr

Cottage Ln

Scenic View Dr

Harvest Gln

Holly

Ln

Woodbridge Rd

Mayfair Dr Seabreeze Dr

Peac

h Ln

Black Oak Dr

9th Ave

Josan Dr

Wallace St

Pleasant St

Nicoja

Way

Hawthorne Rd

Howard St

Division St

Nelson Dr

Westwood D

r

2nd St

Spring St

Haigh Ave

Memory Ln

Learned St

Magonk Point Rd

Deer

Run

8th Ave

Shore Dr

Harbor View Ave

Gree

ncliff

Dr

Partri

dge C

t

Charter Oak Dr

Country Club Dr

Green Vly

Alewife Rd

Ward Pl

Sand

piper

Point

Rd

Whipp

letree

Ln

MacKenzie Rd

Ellen Ward Rd

Rocco Dr

Meadow Dr

Village Ln

Purtill Rd

Mill Ln

Beckwith Ln

Nottingham Dr

Brook St

Berbe

ris D

r

Lois Ave

William St

Compas

s Ct

Carroll Ct

Park Ct

Caribou Dr

Fairway Ln

Gran

d View

RdWolcott Ln

Monticello Dr

10th Ave

Hemingway Rd

Ball L

n

Rainbow Dr

Riverside Ave

Chester Ct

Oakland Ave

Beverly StChapman Woods Rd

Stanton St

Stone St

Vista Dr

Winthrop Ct

Perkins Farm Rd

Cove Hill Rd

George St

Natha

n Hale

Dr

Bitter

sweet

Ln

Sixth Ave

Lakesi

de

Penn

icott R

d

Francis Ln

Rye Field Rd

Ceda

r St

Bonvi

lle Dr

Private Rd

Salt Box Cir

Plant Dr

Westwood Ave

Riverv

iew D

r

Brookside Ave

Sunniecrest Dr

Miranda Way

Hickory Ct

Looking Glass Cir

Weimes Ct

Stonliegh Knls

Bayberry Ln

Leary Dr

Hewitt Dr

Riverb

end Rd

Tisbury Rd

Warwick Ter

Hilltop Rd

McCook Pl

Buell Pl

Park Ln

Brew

er St

Maginnis Pkwy

King James Dr

Glenvale St

Buch

anan

Rd

Canty Ln

Mill Rd

Granite Ct

Milefski Dr

Champion

Rd

Cedar Ridge Rd

Waterview Dr

David St

Coach Dr

Applew

ood Cmn

Ledge Rock Rd

Manatuck Dr

Sunshine Rd

Oak T

ree Ln

Tarry

town L

n

Villag

e Ct

Lakeside Dr

Barone Rd

Sunset Hl

Ray St

Darling Ln

Ridge Cir

Sandalwood Ln

Landing StNorth Dr

Red Fox Rd

Highw

ay P

t

East St

Kaats

kill Ln

Meadow St

Jordan Ter

Barrett Dr

Blackwell Ln

Ledge Trl

Mountain View Rd

Summer Rest Rd

Whittlesay Pl

Old St

one W

ay

Charles Ave

Woodrow Dr

Darrows Ct

Bellevue Pl

Joshua Valley Rd

Aberdeen Ct

Unter Trl

Wickford Ln

Jefferson Dr

Lakeview Dr

Osprey Ln

Evergreen Trl

Sunset Rd

Peggy Ln

Kinner Ave

Beach

St

Georgetown Rd

Enterprise Ln

VL View Dr

Padg

ett Pl

Winchester Ct

Flanders Rd

US Hwy 1

Neck Rd

Oak Rd

Vauxhall St

3rd Ave

Shore Rd

Cove Rd

Governo

r John

Davis L

odge T

pke

Boggy Hole Rd

I 395

Short Hills Rd

Route

156

Waterford Pkwy

Chesterfield Rd

4th Ave

Grassy Hill Rd

I 95

5th Ave

Billow Rd

Society Rd

Frontage Rd

Rose Ln

Shore

Dr

Jean Dr

Parkway

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O L D S A Y B R O O KLyme-Old Lyme Middle School

SURFICIAL MATERIALSEAST LYME, CONNECTICUT

GLACIAL AND POSTGLACIAL DEPOSITS

DATA SOURCESSURFICIAL MATERIALS DATA – Surficial Materials shown onthis map are from the Surficial Material Poly dataset whichcontains polygon data intended to be used at 1:24,000 scale. Basedon Connecticut Surficial Materials digital data published in 1995by the Connecticut Department of Environmental Protection, incooperation with the U.S. Geological Survey. These data weredigitized from the 1:24,000-scale compilation sheets prepared forthe statewide Surficial Materials Map of Connecticut, (Stone, J.R.,Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S.Geological Survey special map, 2 sheets, scale 1:125,000).BASE MAP DATA - Based on data originally from 1:24,000-scaleUSGS 7.5 minute topographic quadrangle maps published between1969 and 1992. It includes political boundaries, railroads, airports,hydrography, geographic names and geographic places. Streets andstreet names are from Tele Atlas® copyrighted data. Base mapinformation is neither current nor complete.RELATED INFORMATIONThis map is intended to be printed at its original dimensions inorder to maintain the 1:24,000 scale (1 inch = 2000 feet).

QUATERNARY GEOLOGY AND SURFICIAL MATERIALSDATA - 1:24,000-scale digital spatial data of ConnecticutQuaternary Geology and Surficial Materials combined into onedataset, published by the Connecticut Department ofEnvironmental Protection, in cooperation with the U.S. GeologicalSurvey. These data were digitized from the 1:24,000-scalecompilation sheets prepared for both the Surficial Materials Map ofConnecticut, Stone and others, 1992, 1:125,000 and the QuaternaryGeologic Map of Connecticut and Long Island Sound Basin, Stoneand others, 2005, 1:125,000.OTHER GEOLOGIC MAPS - This map is also available forindividual USGS topographic quadrangles of Connecticut. Otherbedrock, surficial, and quaternary (glacial) geology quadranglemaps and reports published by the Connecticut Geological andNatural History Survey, USGS, and others are also available fromCT DEP.MAPS AND DIGITAL DATA - Go to the CT ECO website forthis map and a variety of others. Go to the CT DEP website for thedigital spatial data shown on this map.

Map created by CT DEPAugust 2009

Map is not colorfastProtect from light and moisture

STATE OF CONNECTICUTDEPARTMENT OF ENVIRONMENTAL PROTECTION79 Elm StreetHartford, CT 06106-5127

PARTICLE DIAMETER

VeryCoarse Sand

Boulders Cobbles Pebbles Granules MediumSand ClayFine

SandVeryFineSand

Silt

GRAVEL PARTICLES SAND PARTICLES FINE PARTICLES

CoarseSand

10 2.5 .16 .08 .04 .02 .01 .005 .0025 .00015 inmm256 64 4 2 1 .5 .25 .125 .068 .004

Grain-size classification (modified from Wentworth, 1922)

GLACIAL ICE-LAID DEPOSITSThin TilltThick TillttEnd Moraine depositsts

GLACIAL MELTWATER DEPOSITSFine Deposits

Coarse Deposits

Stacked Coarse Deposits

Fines (very fine sand, silt, and clay)f

GravelgSand and GravelsgSands

Gravel overlying Sand and Gravelg/sgGravel overlying Sandg/sSand and Gravel overlying Sandsg/sSand and Gravel overlying Sand overlying Sand and Gravelsg/s/sgSand overlying Gravels/gSand overlying Sand and Gravels/sg

Stacked Fine Deposits Overlying Coarse Depositsf/sgf/s

Stacked Coarse Deposits Overlying Fine DepositsGravel overlying Sand overlying Finesg/s/fGravel overlying Finesg/fSand and Gravel overlying Sand overlying Finessg/s/fSand and Gravel overlying Finessg/fSand overlying Finess/f

Fines overlying Sand and GravelFines overlying Sand

POSTGLACIAL DEPOSITS

* Alluvium may be overlying any of the Coarse deposits (g, sg, s)

Floodplain AlluviumaAlluvium overlying undifferentiated Coarse deposits (g, sg, s)a/sg *Alluvium overlying Sanda/sAlluvium overlying Finesa/fAlluvium overlying undifferentiated Coarse deposits overlying Fine depositsa/s/f *Alluvium overlying undifferentiated Fine deposits overlying Coarse depositsa/f/g *Swamp depositsswSwamp deposits overlying Sandsw/sSwamp deposits overlying Finessw/fSwamp deposits overlying Sand overlying Finessw/s/fSwamp deposits overlying Fines overlying Sandsw/f/sSalt-Marsh and Tidal-Marsh depositssmSalt-Marsh and Tidal-Marsh deposits overlying Sandsm/s/fSalt-Marsh and Tidal-Marsh deposits overlying Finessm/fTalustaBeach depositsbArtificial Fillaf

Waterw

State Plane Coordinate System of 1983, Zone 3526Lambert Conformal Conic Projection

North American Datum of 1983

£MAP LOCATION

EXPLANATIONUnconsolidated glacial and postglacial deposits, that range from afew feet to several hundred feet in thickness, overlie the bedrocksurface of Connecticut (see Block Diagram).This map portrays theareal extent and subsurface grain-size (textural) distributions ofthese surficial materials. The map legend is designed to highlightthe relationship between the depositional origins and thedistribution and character of the materials portrayed. Most ofConnecticut’s surficial material is glacially derived, and can bedivided into two broad depositional categories: Glacial Ice-Laiddeposits (tills and moraine) which are generally exposed in theuplands, and are the most widespread surficial deposit inConnecticut; and Glacial Meltwater deposits (stratified deposits)which are most commonly concentrated in valleys and lowlands. Amapping emphasis is placed on stratified meltwater depositsbecause their distribution and character have historicallyinfluenced development patterns throughout the state.For a complete description of surficial materials map units, andfurther information concerning their thickness and modes ofoccurrence, please refer to the published Surficial Materials Mapof Connecticut and the companion Quaternary Geologic Map ofConnecticut and Long Island Sound Basin (see Data Sources).Glacial Ice-Laid deposits (tills and moraine) were derived directlyfrom the ice and consist of nonsorted, generally nonstratifiedmixtures of grain-sizes ranging from clay to large boulders. Thematrix of most tills is predominantly sand and silt and boulders canbe sparse to abundant. Some tills contain lenses of sorted sand andgravel and occasionally masses of laminated fine-grainedsediment. The lack of sorting and stratification typical of ice-laiddeposits often makes them poorly drained, difficult to dig in orplow, mediocre sources of groundwater and unsuited for septicsystems. Till blankets the bedrock surface in variable thicknessesand commonly underlies stratified meltwater deposits (see BlockDiagram). End moraine deposits (primarily ablation till) occurprincipally in southeastern Connecticut.Glacial Meltwater deposits (stratified deposits) were laid down inglacial streams, lakes and ponds which occupied the valleys andlowlands of Connecticut as the last ice sheet melted away to thenorth. They are often composed of layers of well-to-poorly sortedsands, gravels, silts and clays with few to no boulders, and owingto their water-related depositional origins they have many

characteristics that are favorable for development. Because water isa better sorting agent than ice, glacial meltwater deposits arecommonly better sorted, more permeable, and better aquifers thanice-laid deposits. They can be good sources of constructionaggregate, and are relatively easy to excavate and build highwaysand buildings on.Meltwater deposits are depicted using four basic texturally-basedmap units: gravel, sand and gravel, sand, and fines. To the extentthat it is known or can be inferred, the subsurface texturalcomposition of meltwater deposits is shown for their entire verticalthickness. In many places similar conditions persisted for the entiretime that a meltwater deposit was being laid down, and a singlemap unit (e.g. s- sand) is sufficient to describe the entire meltwatersection. Areal and vertical textural variability can occur within themeltwater deposits because the amount of energy available to carrysediment varies with each meltwater setting (stream, delta, lake,etc.), and settings can change over time. High-energy depositionalenvironments near glacial margins (proximal) tend to favordeposition of coarse material but as time passes, and the glacialmargins melt back, less energy is available and finer grained distaldeposits can become predominant. Where more complexstratigraphic relationships existed because of changing conditionsduring deposition, “stacked” map units are used to characterize thesubsurface (e.g. sg/s/f - sand and gravel overlying sand overlyingfines). Where postglacial deposits overlie meltwater deposits, thisrelationship is also shown (e.g. a/s - alluvium overlying sand).Postglacial Sediments (primarily floodplain alluvium and swampdeposits) are less widely distributed and are typically thinner thanthe glacial deposits that they overlie, but they are locally importantecological, agricultural, commercial, and recreational resources.Talus, a result of rockfall at the base of steep bedrock (primarilytrap rock) cliffs, provides a cool damp ecological niche. Beach,marsh and swamp deposits are key ecological elements of coastaland poorly drained inland settings. Deposits of floodplain alluviumare largely composed of sands, gravels and silts that have beenreworked from glacial deposits and mixed with organic matterwhich increases their fertility. Despite their flood-prone nature,low, flat, fertile floodplains have historically been attractive foragricultural uses and development related to water-dependantcommerce.

SCALE 1:24,000 (1 inch = 2000 feet) when map is printed at original size

1 0 10.5 Kilometers

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