http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Surface water supply of the United States, 1911
1 online resource (221 pages) : illustrations, maps.
by C. C. Babb, C. C. Covert and R. H. Bolster.
"Prepared under the direction of M.O. Leighton".
Surface water supply of the United States, 1911, Part I, North Atlantic Coast
Water-supply paper (Washington, D.C.) ; no. 301