Page View
Bureau of Mines / Minerals yearbook metals and minerals 1983
(1983)
Leachman, William D.; Tully, Philip C.
Helium, pp. 435-442
Page 435
![[page image]](http://images.library.wisc.edu/EcoNatRes/0011/0001/M/0443.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




