http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Regional geochemical maps of the Tonopah 1°x 2° quadrangle, Nevada, based on samples of stream sediment and nonmagnetic heavy-mineral concentrate
21 maps on 2 sheets ; 22 x 35 cm., sheets 107 x 117 cm. and 105 x 112 cm., folded in envelope 30 x 24 cm.
Department of the Interior, U.S. Geological Survey ; by J.T. Nash and D.F. Siems.
Includes text, bibliography, 2 tables, and location map.
Miscellaneous field studies ; map MF-1877-B