http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground-water resources of Sheridan County, Wyoming
1 online resource (iv, 77 pages, 1 page of plates) : illustrations, maps.
"Prepared in cooperation with the Wyoming State Engineer."
Geological Survey water-supply paper ; 1807