Page View
Bureau of Mines / Minerals yearbook 1993
(1993)
Ober, Joyce A.
Sulfur, pp. 1165-1193 ff.
Page 1165
![[page image]](http://images.library.wisc.edu/EcoNatRes/0001/0001/M/1173.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




