5 datasets found
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Federal
Historical Stream Fish Distribution Database for the Conterminous United States (1950-1990): IchthyMaps
Department of the Interior —
Fish occurrence data to support high-resolution distribution models and test various community and macroecological hypotheses have not been available at the national... -
Federal
USGS Streamgages Linked to the Medium Resolution NHD
Department of the Interior —
The locations of approximately 23,000 current and historical U.S. Geological Survey (USGS) streamgages in the United States and Puerto Rico (with the exception of... -
Federal
North Atlantic Coastal Plain aquifer system
Department of the Interior —
This data set represents the extent of the North Atlantic Coastal Plain aquifer system in North Carolina, Virginia, Maryland, Deleware, and New Jersey. -
Federal
Bottlenose dolphin survey effort (track location and amount of survey effort during field projects.)
National Oceanic and Atmospheric Administration, Department of Commerce —
Data from these surveys have been used to track location and amount of survey effort during field projects. -
Federal
Nitrogen Screening Project - Lakes in Parks
Department of the Interior —
This geodatabase contains lake feature datasets used for the Nitrogen Screening project. Individual metedata is available. The NHDPlus Version 1.0 is an integrated...
5 datasets found