The Conterminous United States mineral appraisal program
Subtitle: background information to accompany folio of geologic, geochemical, geophysical, and mineral resource maps of the Choteau 1 ̊x 2 ̊quadrangle, Montana
By: by Robert L. Earhart ... [et al.].
Contributors: Earhart, Robert L.; Geological Survey (U.S.).
Series: Geological Survey circular -- 849.
Publisher: U.S. Dept. of the Interior, Geological Survey; Free on applicaton to Distribution Branch, Text Products Section, U.S. Geological Survey
Published: 1981
Place of publication: [Reston, Va.]; Alexandria, VA
Language: eng
Subjects: Mines and mineral resources -- Montana.
Notes: Bibliography: p. 3-8.