Columbium-rare-earth deposits, southern Ravalli County, Montana
Series: Montana. Bureau of Mines and Geology. Bulletin; 18; Bulletin (Montana Bureau of Mines and Geology) ;; 18.
Publisher: Montana School of Mines
Published: 1960
Place of publication: Butte
Language: eng
Number of pages: 47
Subjects: Niobium ores -- Montana -- Ravalli County.; Rare earths -- Montana -- Ravalli County.
Notes: Bibliography: p. 46-47.