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Connecticut Planning Region Index
State of Connecticut —
Connecticut Planning Region Index is a general purpose index map of Connecticut Planning Regions based on mapped information compiled at 1:125,000 scale (1 inch... -
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Connecticut Airports
State of Connecticut —
Airports Polygon is a 1:24,000-scale, feature-based layer that includes all airport features depicted on all of the U.S. Geological Survey (USGS) 7.5 minute... -
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Connecticut Hydrography Set
State of Connecticut —
Connecticut Hydrography Set: Connecticut Hydrography Line includes the line features of a layer named Hydrography. Hydrography is a 1:24,000-scale, polygon and line... -
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Subregional Basin Polygon
State of Connecticut —
See full Data Guide here.Subregional Drainage Basic Set: Connecticut Subregional Drainage Basins is 1:24,000-scale, polygon and line feature data that define... -
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Subregional Basin Line
State of Connecticut —
A standardized mapping of natural drainage basins in Connecticut was completed in 1981 by the Connecticut Department of Environmental Protection (DEP). This drainage... -
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Environmental Sensitivity Index 2002 Lines
State of Connecticut —
Environmental Sensitivity Index 2002 Set: This data set contains vector lines representing the shoreline and coastal habitats of Connecticut classified according to... -
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HUC Watershed Line
State of Connecticut —
This data set is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The original data set was developed by delineating the... -
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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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Eelgrass Beds 93-95 Set
State of Connecticut —
Eelgrass Beds 93-95 Set: Eelgrass Sample Points is a 1:24,000-scale, point feature-based layer that depicts the locations where eelgrass (Zostera marina) was either... -
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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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Reduced Transect Counts for Regional Averaging
State of Connecticut —
Supplemental data for shoreline change analysis including reduced transects and offshore baselines. -
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Shoreline Change Supplemental Data
State of Connecticut —
Supplemental data for shoreline change analysis including reduced transects and offshore baselines. -
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Connecticut Airports FAA
State of Connecticut —
Point features of airports in Connecticut, based on Federal Aviation Administration records. -
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Eelgrass Beds 2006 Set
State of Connecticut —
Eelgrass Beds 2006 Set: This data layer was created by the USFWS National Wetlands Inventory, Region 5. Delineations of 2006 eelgrass beds were completed on the... -
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305b Assessed 2010 River, Lake, Estuary Set
State of Connecticut —
305b Assessed 2010 River, Lake, Estuary Set: Connecticut 305b Assessed River 2010 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
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Impaired Lake 2022
State of Connecticut —
Connecticut 303(d) Impaired Waters 2022 is a subset of Connecticut 305(b) Assessed Waters 2022. If any one of the assigned designated uses is categorized as NOT... -
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Impaired 2020 River, Lake, Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2020 is a subset of Connecticut 305(b) Assessed Waters 2020. If any one of the assigned designated uses is categorized as NOT... -
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Impaired River 2008
State of Connecticut —
Connecticut 303(d) Impaired Waters 2008 is a subset of Connecticut 305(b) Assessed Waters 2008. If any one of the assigned designated uses is categorized as NOT... -
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Thickness of Glacial Sediment in Connecticut and Long Island Sound Set
State of Connecticut —
Thickness of Glacial Sediment in Connecticut and Long Island Sound Set: The Thickness of Glacial Sediments in Connecticut and the Long Island Sound Basin layer... -
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Eelgrass Beds 2009 Points
State of Connecticut —
Eelgrass Beds 2009 Set: This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory,...