Page View
Bureau of Mines / Minerals yearbook metals, minerals, and fuels 1975
(1975)
Stevens, Richard F., Jr.
Tungsten, pp. 1405-1423 ff.
Page 1405
![[page image]](http://images.library.wisc.edu/EcoNatRes/0018/0001/M/1413.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




