Computer-aided Estimates of Concentrating-grade Iron Resources in the Negaunee Iron-formation, Marquette District, Michigan
By William F. Cannon, Sandra L. Powers, Nancy A. Wright
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An estimation of the magnitude, quality, and economic potential of subeconomic resources of iron in an important active mining district.
Book Details
- Public Domain: Yes
- Country: US
- Published: 1978
- Publisher: U.S. Government Printing Office
- Language: English
- Pages: 21
- Available Formats:PDF
- Reading Modes:Image