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Geology and mineral deposits of the St. Regis-Superior area, Mineral County, Montana
Campbell, Arthur B., (1960)
Market study and compedium of data on industrial minerals and rocks of Montana
Chelini, J. M., (1967)
Ore deposits of the Northern part of the Park (Indian Creek) District, Broadwater Count, Montana
Schell, Elmer M., (1963)
Summary of Montana mineral resources
Sahinen, U. M., (1959)