http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Surface water supply of the United States, 1926
1 online resource (vi, 274 pages) : illustrations.
"Prepared in cooperation with the states of Maine, New Hampshire, Massachusetts, New York, New Jersey, Maryland, and Virginia."
Water-supply paper (Washington, D.C.) ; no. 621