California Mine, Upper Browns Creek area, Nathrop, Chaffee Co., Colorado, USA

Ref.: (in part): Rocks & Min.:59:15 & 64:7. The mine is on the south slope of the divide between Browns Creek and Baldwin Gulch, about 2 mi southwest of Mount Antero, and West of Nathrop, at an altitude of 12,500 ft. It can be reached from the southeast by a hiking trail up Browns Creek from U.S. Highway 285 near Nathrop or by the jeep road up Baldwin Gulch from Chalk Creek to Mount Antero. The mine may be accessed from the Mount Antero road at an intersection in the saddle between Mount Antero and Mount White. ("Minerals of Colorado, updated & revised", p. 11, by Eckel, Edwin B., 1997)