| 1. ||Books - - Copper camp: stories of the world's greatest mining town, Butte, Montana / compiled by workers of the Writers' Program of the Work Projects Administration in the State of Montana; sponsored by the Montana State Department of Agriculture, Labor and Industry. ||Butte (Mont.) - - History. Mines and mineral resources - - Montana - - Butte - - History. Miners - - Montana - - Butte - - History. WPA. ||x, 305 p.,  leaves of plates: illustrations, ports., b & w photos; 21 cm.