Sahinen, Uuno M. 1906- Fluorspar deposits in Montana. - Butte, Montana School of Mines, 1962. - iv, 38 p. maps, diagrs., table. 28 cm. - Montana. Bureau of Mines and Geology. Bulletin 28 . - Montana Bureau of Mines and Geology. Bulletin ; 28. . Bibliography: p. 37-38. LCCN: gs 63000156 Subjects--Topical Terms: Fluorspar--Montana. LC Class. No.: TN948.F6 / S3