2,895 datasets found
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Federal
TIGER/Line Shapefile, 2022, State, Maryland, MD, Block Group recent views
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... -
State
MD iMAP: Maryland Land Use Land Cover - Land Use Land Cover 2010 recent views
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The purpose of the 2010 land use/land cover data set is to provide a... -
Federal
Level IV Ecoregions of EPA Region 3 recent views
U.S. Environmental Protection Agency —
Ecoregions by EPA region were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality,... -
Federal
New York Bight and Gulf of Maine bathymetric contours (NY_GOME_CONTOURS) recent views
Department of the Interior —
This bathymetric shapefile contains 10 m contours for the continental shelf and 100 m beyond the 200 m shelf edge. The contours have been derived from the National... -
State
MD iMAP: Maryland Sport Venues - Baseball recent views
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Sports (http://www.marylandsports.us/) has identified sport venues... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Wetness Index recent views
U.S. Environmental Protection Agency —
This dataset represents the wetness index within individual local NHDPlusV2 catchments and upstream, contributing watersheds based on the Composite Topographic Index... -
Federal
U.S. Geological Survey East Coast Sediment Texture Database (2014, ECSTDB2014.SHP) recent views
Department of the Interior —
This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic... -
Federal
Chesapeake Bay non-tidal network shapefiles for selected station locations recent views
Department of the Interior —
This metadata report documents a shapefile of 84 selected United States Geological Survey (USGS) water quality stations that are part of the Chesapeake Bay non-tidal... -
State
MD iMAP: Maryland Stream Health - Md Biological Stream Survey Sites recent views
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The MBSS assesses the ecological condition of 1st-4th order streams... -
Federal
Python code used to download U.S. Census Bureau data for public-supply water service areas recent views
Department of the Interior —
This child item describes Python code used to query census data from the TigerWeb Representational State Transfer (REST) services and the U.S. Census Bureau... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Septic System Density recent views
U.S. Environmental Protection Agency —
This dataset represents density of septic systems within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. The data is based on the 1990... -
Federal
TIGER/Line Shapefile, 2021, County, Howard County, MD, All Roads recent views
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
EnviroAtlas - Watershed Index Online Water Mask for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This data layer represents all surface water features in the United States. This grid was created by combining water features identified in two sources, the Cropland... -
Federal
EnviroAtlas - Reptile Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains biodiversity metrics reflecting ecosystem services or other aspects of biodiversity for reptile species, based on the number of... -
Federal
Valley and Ridge aquifers recent views
Department of the Interior —
This data set represents the extent of the Valley and Ridge aquifers in the states of New York, New Jersey, Pennsylvania, Maryland, Virginia, West Virginia, Tennesse,... -
Federal
EnviroAtlas - Big Game Hunting Recreation Demand by 12-Digit HUC in the Conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the total number of recreational days per year demanded by people ages 18 and over for big game hunting by location in the... -
Federal
EnviroAtlas - MSPA connectivity with water as missing and 1-pixel edge width for the conterminous United States recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset categorizes land cover into structural elements (e.g. core, edge, connector, etc.). It depicts core areas of natural land cover, core... -
Federal
North American Amphibian Monitoring Program (NAAMP) anuran detection data from the eastern and central United States (1994-2015) recent views
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
Static soils, climate, hydrologic, topographic, and geographic characteristics for selected Chesapeake Bay watersheds recent views
Department of the Interior —
This dataset contains values of soils, climate, hydrologic, topographic, and other geographic characteristics such as drainage area. These are considered "static"... -
Federal
Chemical Data Release (CDR) Industrial Uses, 2012 recent views
U.S. Environmental Protection Agency —
This layer displays points of industrial uses extracted from the 2012 Chemical Data Reporting (CDR) database. The CDR database contains comprehensive use and exposure...
2,895 datasets found