Collections of related digital information that are geographically referenced.
- West-central Florida erosion study [More info]
- West central Florida erosion interactive map with GIS datasets to download including geologic interpretative layers, samples, bathymetry, and imagery.
- Western Geographic Science Center [More info]
- USGS geographic information studies and data for the western United States.
- usSEABED (marine sediment and rock distribution) [More info]
- Data on sediment and rock distributions in the waters off the United States, shown using an internet map service with links to downloadable data files