Deposits of the sillimanite group of minerals south of Ennis, Madison County, with notes on other occurrences in Montana.
Material type:
TextSeries: Montana Bureau of Mines and Geology. Miscellaneous contribution ; no. 10.Publication details: Butte, Montana School of Mines, 1948.Description: iii, 22 p. illus., plate, 28 cmSubject(s): LOC classification: - QE391.S5 H4
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"References": p. 21-22.
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