http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Land and coal ownership in the Gillette area, Wyoming
2 maps on same sheet : color ; 54 x 74 cm., folded in envelope 30 x 24 cm.
Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-848-B