The University of Washington Libraries has digitized 21,000 images of freshwater and marine life taken from 1735-1924 that populated various publications about the topic. Some of the publications include 18th and 19th...

The Global Hydrology Resource Center (GHRC) of the National Aeronautics and Space Administration provides data ingest, archive, and distribution services for the Global Hydrology and Climate Center (GHCC). Eight...

U.S. Geological Survey Water Science for Schools provides information about types of wells, drilling and water levels. Links to many other water-related sites.

HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales) is a mapping product that provides hydrographic information for regional and global-scale applications in a consistent...

Surface Water Use: This is the USGS Water Science for School's web site and it explains who use and how much surface water is used. A map shows surface water withdraws, by state, for year 2005.