Search U.S. government technical reports digitized or harvested by TRAIL.
Exploration of the Moffet-Johnston copper property, Madison County, Montana
Investigation of the Hornsilver lead-zinc property, Butte County, Idaho
Investigation of Running Wolf iron deposits, Judith Basin County, Mont.
Mines and Mineral Deposits (Except Fuels) Meagher County, Montana
Investigation of the combination silver-tungsten mine, Granite County, Mont.
Mineral Resources of Upper Missouri River Basin, Montana: Fort Peck Reservoir to Morony Dam