TY  - RPRT
TI  - The Conterminous United States Mineral Appraisal Program; background information to accompany folio of geologic, geochemical, geophysical, and mineral resource maps of the Choteau 1 degree x 2 degrees Quadrangle, Montana
AU  - Robert L. Earhart
AU  - David J. Grimes
AU  - Reinhard W. Leinz
AU  - M. Dean Kleinkopf
PY  - 1981
DO  - 10.3133/cir849
UR  - https://pubs.usgs.gov/publication/cir849
ID  - cir849
ER  -