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Bureau of Mines / Minerals yearbook area reports: domestic 1987
Year 1987, Volume 2 (1987)
Hill, James J.; Evans, Thomas J.
Wisconsin, pp. 421-429 ff.
Page 421
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As a work of the United States government, this material is in the public domain.| For information on re-use see: http://digital.library.wisc.edu/1711.dl/Copyright




