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Bureau of Mines / Minerals yearbook 1989
(1989)
Tepordei, Valentin V.
Crushed stone, pp. 981-1008
Page 981
![[page image]](http://images.library.wisc.edu/EcoNatRes/0005/0001/M/0989.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




