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Bureau of Mines / Minerals yearbook metals, minerals, and fuels 1972
(1972)
Polta, Harold J.
Iron and steel scrap, pp. 667-681 ff.
Page 667
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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




