http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Surface water supply of the United States, 1913
1 online resource (264 pages) : illustrations.
by A. H. Horton, W. E. Hall, and H. J. Jackson.
"Prepared in cooperation with the State of West Virginia".
Monongahela River Watershed (W. Va. and Pa.)
Surface water supply of the United States, 1913, Part III, Ohio River Basin
Water-supply paper (Washington, D.C.) ; no. 353