Page View
Bureau of Mines / Minerals yearbook area reports: domestic 1976
(1976)
Shirley, Lawrence E.; LeVan, D. C.
Virginia, pp. 767-781 ff.
Page 767
![[page image]](http://images.library.wisc.edu/EcoNatRes/0017/0002/M/0775.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




