Epithermal Gold Deposits -- Part II; U.S. Geological Survey Bulletin 1857-I
Washington: United States Government Printing Office, 1991. softcover, 11" x 8.5" Geology and Gold Depoits of the Oatman District, Northwestern Arizona; Geology and Gold Deposits of the Marysville Mining District, Montana; Gold Deposits of the Boulder County Gold District, Colorado DN1. More

