Title from home page, last updated Mar. 16, 2005 (viewed Mar. 2, 2006).
Content of site designed, built and maintained by Howard Perlman (hydrologist at the Atlanta USGS office).
Mode of access: Internet at the U.S. Geological Survey web site. Address as of 3/2/06: http://water.usgs.gov/gotita/; current access is available via PURL.
Also issued in English: Water science for schools.