Computer-aided Estimates of Concentrating-grade Iron Resources in the Negaunee Iron-formation, Marquette District, Michigan
William F. Cannon · Sandra L. Powers · Nancy A. Wright
Jan 1978 · U.S. Government Printing Office
Ebook
21
Pages
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About this ebook
An estimation of the magnitude, quality, and economic potential of subeconomic resources of iron in an important active mining district.
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