http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
U.S. Dept. of the Interior, Geological Survey
National Technical Information Service, distributor
Also issued to depository libraries on microfiche.
Vols. for 1964/65-1974 issued in 2 pts.; 1975- issued in 4 vols.
Prepared in cooperation with the California Department of Water Resources and other agencies.
Data were cumulated quinquennially in Surface water supply of the United States.
Surface water supply of the United States
U.S. Geological Survey water-data report
National Technical Information Service, Springfield, VA, 22161