- 
  
    FederalProtected Areas Database of the United States (PAD-US) NGDADepartment of the Interior — This is series-level metadata for the USGS Protected Areas Database of the United States (PAD-US) data released by the United States Geological Survey (USGS). PAD-US...
- 
  
    FederalUSGS US Topo Map CollectionDepartment of the Interior — Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography,...
- 
  
    FederalPeriodical Cicada Broods (Feature Layer)Department of Agriculture — Note: This is a large dataset. To download, go to ArcGIS Open Data Set and click the download button, and under additional resources select the geodatabase option....
- 
  
    FederalTerrestrial Ecosystems - Land Surface Forms of the Conterminous United StatesDepartment of the Interior — The U.S. Geological Survey (USGS) has generated land surface form classes for the contiguous United States. These land surface form classes were created as part of an...
- 
  
    FederalusSEABED: Offshore Surficial-Sediment Database for Samples Collected within the United States Exclusive Economic ZoneDepartment of the Interior — Since the second half of the 20th century, there has been an increase in scientific interest, research effort, and information gathered on the geologic sedimentary...
