2004
Hargrave, P.—Berg, R. B., and Hargrave, P., 2004, Geologic map of the Upper Clark Fork Valley, southwestern Montana: Montana Bureau of Mines and Geology Open file Report MBMG 506, map scale 1:50,000 with cross sections and 19 p. text
Contact Phyllis Hargrave
Research Office, Museum Bldg. 211 406-496-4102 Questions and Information