Computer-aided estimates of concentrating grade iron resources in the Negaunee Iron-Formation, Marquette District, Michigan (Q113666)

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Computer-aided estimates of concentrating grade iron resources in the Negaunee Iron-Formation, Marquette District, Michigan; 1976; OFR; 76-426; Cannon, William F.; Powers, Sandra L.; Wright, Nancy A.
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Computer-aided estimates of concentrating grade iron resources in the Negaunee Iron-Formation, Marquette District, Michigan
Computer-aided estimates of concentrating grade iron resources in the Negaunee Iron-Formation, Marquette District, Michigan; 1976; OFR; 76-426; Cannon, William F.; Powers, Sandra L.; Wright, Nancy A.

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