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Bureau of Mines / Minerals yearbook 1989
(1989)
Taylor, Harold A., Jr.
Graphite, pp. 483-492
Page 483
![[page image]](http://images.library.wisc.edu/EcoNatRes/0005/0001/M/0491.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




