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Shellfish
State of Connecticut —
Shellfish polygons were digitized from hand drawn polygons representing hardclam, softclam, and oyster beds produced by the Department of Agriculture from their... -
State
Migratory Waterfowl
State of Connecticut —
Migratory Waterfowl is a 1:24,000-scale, polygon feature-based layer that depicts the concentration areas of migratory waterfowl at specific locations within... -
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Connecticut Parcels 2009
State of Connecticut —
See full Data Guide here. Connecticut Parcels for Protected Open Space Mapping is a polygon feature-based layer that includes basic parcel-level information for some... -
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Lake Bathymetry Contours Lines
State of Connecticut —
See full Data Guide here. Lake Bathymetry describes the water depth for selected reservoirs, lakes, ponds, and coves in Connecticut. It includes depth contours, also... -
State
Coastal Area
State of Connecticut —
The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the Coastal Area as defined by Connecticut... -
State
Surface Water Quality Polygon
State of Connecticut —
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes... -
State
Salt Water Limit
State of Connecticut —
Salt Water Limit is a 1:24000-scale, line feature-based layer that depicts the approximate salt water limits of watercourses and embayments in coastal Connecticut. It... -
State
Connecticut Railroads
State of Connecticut —
Connecticut Railroads is a 1:24,000-scale, feature-based layer that includes railroad features on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle... -
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Environmental Justice Distressed Municipalities 2021
State of Connecticut —
Environmental Justice Block Groups 2021 was created from Connecticut block group boundary data located in the Census Bureau's 2019 TIGER/Line Shapefiles. The poverty... -
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Federal Open Space
State of Connecticut —
See full Data Guide here. Federal Open Space is a polygon feature-based layer that includes land owned in either easement or fee simple interest by the federal... -
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Critical Habitats
State of Connecticut —
See full Data Guide here.Connecticut Critical Habitats is a polygon feature-based layer with a resolution of +/- 10 meters that represents significant natural... -
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Coastal Area Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
State
Erosion Susceptibility
State of Connecticut —
Connecticut Erosion Susceptibility a 1:24,000-scale, polygon feature-based layer that was developed as a predictive tool to show areas most susceptible to terrace... -
State
Surficial Materials
State of Connecticut —
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H.... -
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Coastal Boundary Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
State
Quaternary Geology LIS Lacustrine Fan Deposits
State of Connecticut —
Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in... -
State
Eelgrass Beds 2002 Polygon
State of Connecticut —
Eelgrass Beds 2002 Set: Field Verification of Eelgrass beds, located in the Long Island Sound, Eastern shore of Connecticut from Clinton Harbor to the Rhode Island... -
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305b Assessed River 2020
State of Connecticut —
305b Assessed River, Lake, Estuary 2020: Connecticut 305b Assessed River 2020 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
Eelgrass Beds Historic Points
State of Connecticut —
Eelgrass Beds Historic Set: Historic Eelgrass Points is a 1:24,000-scale, point feature-based layer that depicts the locations of historic eelgrass beds (Zostera... -
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CT Vicinity Town Lines
State of Connecticut —
Connecticut and Vicinity Town Boundary data are intended for geographic display of state, county and town (municipal) boundaries at statewide and regional levels. Use...