Columbium-rare-earth deposits, southern Ravalli County, Montana

An edition of Columbium-rare-earth deposits, southern Ravalli County, Montana (1960)

Columbium-rare-earth deposits, southern Ravalli County, Montana

By Frank A. Crowley

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Publish Date

1960

Publisher

Montana School of Mines

Language

eng

Pages

Description:

subjects: Rare earths, Niobium ores

Places: Montana, Ravalli County