1,984 datasets found
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Federal
TIGER/Line Shapefile, 2023, State, Maine, Primary and Secondary Roads
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
New York and New England carbonate-rock aquifers
Department of the Interior —
This data set represents the extent of the New York and New England carbonate-rock aquifers in the states of New York, Vermont, Maine, Massachusetts, Connecticut, New... -
Federal
2022 Cartographic Boundary File (SHP), Current Block Group for Maine, 1:500,000
U.S. Census Bureau, Department of Commerce —
The 2022 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /... -
Federal
EnviroAtlas - NHDPlus V2 WBD Snapshot, EnviroAtlas version - Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset is a digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the conterminous United States, based on the January... -
Federal
TEMPESTS MD205 Water Level - CINAR
National Oceanic and Atmospheric Administration, Department of Commerce —
CINAR Storm MD205 Water Level Observations -
Federal
TEMPESTS MD101 Water Level - CINAR
National Oceanic and Atmospheric Administration, Department of Commerce —
CINAR Tempests MD101 Water Level -
Federal
EnviroAtlas - Portland, ME - Tree Cover Configuration and Connectivity, Water Background
U.S. Environmental Protection Agency —
This EnviroAtlas dataset categorizes forest land cover into structural elements (e.g. core, edge, connector, etc.). In this community, forest is trees & forest... -
Federal
Fishing Industry Shared Bottom Oceanographic Time Series (FISHBOT)
National Oceanic and Atmospheric Administration, Department of Commerce —
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Federal
EnviroAtlas - Duck Operations by County
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes by county the number of farm operations with ducks and the number of heads they manage. The data come from the Census of... -
Federal
Region 1 Combined Sewer Outfalls
U.S. Environmental Protection Agency —
CSO attributes and location information are from a variety of datasets for each state: Connecticut: Beginning with GIS data compiled by the Connecticut Department of... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Road and Stream Intersections
U.S. Environmental Protection Agency —
This dataset represents the density of road and stream crossings within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment... -
Federal
North American Amphibian Monitoring Program (NAAMP) anuran detection data from the eastern and central United States (1994-2015)
Department of the Interior —
The North American Amphibian Monitoring Program (NAAMP) was a collaborative citizen science effort between the US Geological Survey (USGS) and 26 Partners (state... -
Federal
US EPA Nonattainment Areas and Designations-24 Hour PM2.5 (2006 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layers: PM2.5 24hr 2006 NAAQS State Level and PM2.5 24hr 2006 NAAQS National. Full FGDC metadata records for each layer may be... -
Federal
An Unvegetated to Vegetated Ratio (UVVR) for coastal wetlands of the Atlantic Coast - 1993
Department of the Interior —
Prior research has shown that sediment budgets, and therefore stability, of microtidal marsh complexes scale with areal unvegetated to vegetated marsh ratios (UVVR)... -
Federal
EPA Facility Registry Service (FRS): ER_TSCA
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: 2010 US Census Housing Unit and Population Density
U.S. Environmental Protection Agency —
This dataset represents the population and housing unit density within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Anthropogenic Barrier Dataset
U.S. Environmental Protection Agency —
This dataset represents the dam density and storage volumes within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the... -
Federal
TIGER/Line Shapefile, Current, State, Maine, Place
U.S. Census Bureau, Department of Commerce —
This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information... -
Federal
H00693: NOS Hydrographic Survey
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
TIGER/Line Shapefile, Current, State, Maine, Primary and Secondary Roads
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master...
1,984 datasets found