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Bureau of Mines / Minerals yearbook 1992
(1992)
Peterson, Eileen K.; Hausel, W.D.; Harris. R. E.
Wyoming, pp. 603-617 ff.
Page 603
![[page image]](http://images.library.wisc.edu/EcoNatRes/0002/0002/M/0611.gif)
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




