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National Highway System Interactive Map
State of Connecticut —
The NHS was developed by the Department of Transportation (DOT) in cooperation with the states, local officials, and metropolitan planning organizations (MPOs). -
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Soils All Soils
State of Connecticut —
This data set is a digital soil survey and generally is the mostdetailed level of soil geographic data developed by the NationalCooperative Soil Survey. The... -
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EPCRA Tier 2 Facilities
State of Connecticut —
Submission of Tier II form is required under Section 312 of the Emergency Planning and Community Right-to-Know Act of 1986 (EPCRA). The purpose of this form is to... -
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Trail Access
State of Connecticut —
DEEP Trails Set: Trail Access Points are point features in the Statewide Trails Database that describe where trails are accessed at trail heads, state and municipal... -
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Surface Water Quality Lines
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... -
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Aquifer Protection Area
State of Connecticut —
See full Data Guide here. Aquifer Protection Areas Set is a 1:24,000-scale, polygon feature-based layer that includes all Preliminary (Level B) and Final (Level A)... -
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Soils Parent Material Name
State of Connecticut —
Parent material name is a term for the general physical, chemical, and mineralogical composition of the unconsolidated material, mineral or organic, in which the soil... -
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CT Vicinity State Lines
State of Connecticut —
Connecticut and Vicinity State Boundary data are intended for geographic display of state boundaries at statewide and regional levels. Use it to map and label states... -
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Connecticut Dams - Public Use
State of Connecticut —
Connecticut Dams is a 1:24,000 scale spatial data developed for use by the Dam Safety Section of the Inland Water Resources Division, Bureau of Water Protection and... -
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Soils Hydric Rating
State of Connecticut —
This rating indicates the percentage of map units that meets the criteria for hydric soils. Map units are composed of one or more map unit components or soil types,... -
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Environmental Justice 2022 Set
State of Connecticut —
Environmental Justice Block Groups 2022 was created from Connecticut block group boundary data located in the Census Bureau's 2020 TIGER/Line Shapefiles. The poverty... -
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Connecticut County Index
State of Connecticut —
Connecticut County Index is a general purpose index map of Connecticut counties based on information compiled at 1:125,000 scale (1 inch equals approximately 2... -
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Northeast State Polygon
State of Connecticut —
Northeastern United States State Boundary data are intended for geographic display of state boundaries at statewide and regional levels. Use it to map and label... -
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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... -
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Connecticut Routes
State of Connecticut —
It is derived from the Connecticut Route Segments layer, which is based on spatial information from the U.S. Bureau of Census that was published for Connecticut by... -
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CT 305b Assessed River 2022
State of Connecticut —
305b Assessed River, Lake, Estuary 2022: Connecticut 305b Assessed River 2022 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
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305b Assessed 2008 Lake
State of Connecticut —
305b Assessed 2008 River, Lake, Estuary Set: Connecticut 305b Assessed River 2008 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
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Final Streamflow Classifications
State of Connecticut —
The following stream flow classifications on the map are final and include input provided during the public comment period.The State of Connecticut Stream Flow... -
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Long Island Sound Submerged Cable And Pipeline Areas
State of Connecticut —
The Long Island Sound Submerged Cable and Pipeline Areas layer is a polygon feature-based layer that includes the location of submerged cable and/or pipeline areas in...