Phosphate rock
Series: Montana Bureau of Mines and Geology. Special publication -- 25; Montana Bureau of Mines and Geology. Mineral resources data sheet -- 1; Special publication (Montana Bureau of Mines and Geology) -- 25.
Publisher: Montana Bureau of Mines and Geology
Published: 1962
Place of publication: Butte
Language: eng
Subjects: Phosphates
Notes: Caption title.

"Publications on phosphate in Montana": page 8.