http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
NWISWeb, new site for the Nation's water data
National Water Information System (U.S.)
1 sheet (2 unnumbered pages : illustrations ; 28 cm.
The online National Water Information System (NWISWeb) provides access to more than 100 years of water data collected by the U.S. Geological Survey. The new Web site, NWISWeb: data for the Nation (http://waterdata.usgs.gov/nwis/) allows users to access several hundred million pieces of historical and real-time data. Aggregates all state data into one national database; integrates stream-flow information with many other types of water data, including historic water-quality data from rivers and aquifers, historic ground-water-level data, and real-time water quality, precipitation, and ground-water levels.
Also available via Internet from the USGS Web site. Address as of 11/17/03: http://water.usgs.gov/pubs/FS/fs-128-02/; current access available via PURL.
Fact sheet (Geological Survey (U.S.)) ; FS-02-128