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National Land Cover Database - Land Cover Layer - Washington State, Northwest coast
The National Land Cover Database 2001 land cover layer for mapping zone 01 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics... -
Marcellus Shale Assessment Unit Quarter Mile Cells - National Assessment of...
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of... -
USGS StreamStats National Data-Collection Station Information
This map service provides access to over 33,000 Gaging Stations that make up the USGS National Data-Collection Station inventory. For additional information, see:... -
USGS National Geologic Map Database Collection
The National Geologic Map Database (NGMDB) is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information. According to the Geologic... -
MD iMAP: Maryland Waterbodies - Rivers and Streams (Generalized)
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The digital segmented network based on watershed boundaries - ERF1-2 - includes... -
National Land Cover Database 2001 - Imperviousness Layer - Southeast
The National Land Cover Database 2001 for mapping zone 54 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium.... -
National Land Cover Database 2001 - Land Cover Layer - Pennsylvania and Northeast
The National Land Cover Database 2001 land cover layer for mapping zone 60 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics... -
USGS NED PA Luzerne County, PA 2019 - 1m
This is a tile of the standard one-meter resolution digital elevation model (DEM) produced through the 3D Elevation Program (3DEP) . The elevations in this DEM represent the... -
Total Petroleum Systems - National Assessment of Oil and Gas Project -...
The Total Petroleum System is used in the National Assessment Project and incorporates the Assessment Unit, which is the fundamental geologic unit used for the assessment of... -
Devonian Siltstone Shale Assessment Unit Quarter Mile Cells - National...
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of... -
Berea Sandstone Quarter Mile Cells - National Assessment of Oil and Gas...
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of... -
National Land Cover Database - Land Cover Layer - Arizona, California
The National Land Cover Database 2001 land cover layer for mapping zone 14 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics... -
Northwestern Ohio Shale Assessment Unit Quarter Mile Cells - National...
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of... -
National Land Cover Database - Land Cover Layer - Idaho, Utah, Wyoming
The National Land Cover Database 2001 land cover layer for mapping zone 16 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics... -
Catskill Sandstones Siltstones Assessment Unit Quarter Mile Cells - National...
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of... -
Oriskany Sandstone Structural Quarter Mile Cells - National Assessment of...
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of... -
Taxonomic validation for amphibian species on the U.S. Fish and Wildlife...
A list of 120 amphibian and reptile taxa proposed for listing as endangered or threatened for the U.S. Fish and Wildlife Service was reviewed. These taxa were placed in category... -
Coastal Wetland Vegetation Analysis (Metzger Marsh)
Coastal wetlands of the Great Lakes are subject to extreme fluctuations of water levels and to erosion from wave action during storms. Both processes are natural, and under... -
Taxonomic Validation for Freshwater Bivalve and Gastropod Species on the...
This report addresses the taxonomic validity of 63 taxa of freshwater bivalves (Sphaeriidae and Unionidae) and 75 species of freshwater gastropods (Ancylidae, Planorbidae,... -
National Land Cover Database - Land Cover Layer - Wyoming, Montana,...
The National Land Cover Database 2001 land cover layer for mapping zone 29 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics...