Computer-aided estimates of concentrating-grade iron resources in the Negaunee Iron-formation, Marquette District, Michigan / by W.F. Cannon, Sandra L. Powers, and Nancy A. Wright.
- Physical Description: 1 online resource (iii, 21 pages) : illustrations, map.
- Publisher: Washington : United States Department of the Interior, Geological Survey, 1978.
Title from title screen (viewed October 6, 2014).
"An estimation of the magnitude, quality, and economic potential of subeconomic resources of iron in an important active mining district."
|Bibliography, etc. Note:||
Includes bibliographical references (page 21).
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|Subject:||Iron ores > Michigan > Marquette County > Data processing.
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