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Bureau of Mines / Minerals yearbook mineral industries of Europe and the U.S.S.R. 1989
(1989)
Levine, Richard M.
U.S.S.R., pp. 396-427
Page 396
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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




