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Bureau of Mines / Minerals yearbook 1990
Year 1990, Volume 2 (1990)
West, Wanda J.; Gere, Milton A., Jr.
Michigan, pp. [254]-269
PDF (2.4 MB)
Page [254]
![[page image]](http://images.library.wisc.edu/EcoNatRes/EFacs2/MineralsYearBk/MinYB1990v2/S/0262.jpg)
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