Box 1
Contains 7 Results:
Don H. Adair, "Second Progress Report, Western States Map Investigations", 1964
The Bear Creek Mining Company reports consist of investigations and data used by the company for mining purposes.
Robert E. Lehner, "Progress Report, Western States Map Investigation, Ajo-Superior; Globe-Silver City; Sonoyta-Twin Buttes; and Bisbee-Cananea Folios", 1961
The Bear Creek Mining Company reports consist of investigations and data used by the company for mining purposes.
Arthur W. Rose, "The Distribution of Sulfides at Porphyry Copper Deposits", 1962
The Bear Creek Mining Company reports consist of investigations and data used by the company for mining purposes.
David B. Slemmons and Joseph N. Swinderman, "Potash Feldspar Research Investigation: Origin and Nature of Potash Feldspars of the Bingham, Chino, Ely, and Ray Areas", 1962
The Bear Creek Mining Company reports consist of investigations and data used by the company for mining purposes.
James H. Wolfe, "On the Decline of Expected Value of Ore Present After Repeated Failure of Drill Holes to Hit Ore", 1959
The Bear Creek Mining Company reports consist of investigations and data used by the company for mining purposes.
J. R. Woodcock, "Progress Report, Stockwork Molybdenite Deposits", 1963
The Bear Creek Mining Company reports consist of investigations and data used by the company for mining purposes.
Joseph E. Worthington, "Pyrite Trace Element Geochemistry and Application in Prospect Evaluation", 1964
The Bear Creek Mining Company reports consist of investigations and data used by the company for mining purposes.