Page View
Bureau of Mines / Minerals yearbook 1991
(1991)
Lyday, Phyllis A.
Boron, pp. 285-[296]
Page 285
![[page image]](http://images.library.wisc.edu/EcoNatRes/0003/0001/M/0293.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




