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Innovations in Copper Leaching Employing Ferric Sulphate-Sulphuric Acid
From Introduction: "The Bureau of Mines has attempted to develop a cheap and efficient solvent that would especially meet the requirements of smaller plants. (See Bibliography). A method of producing this solution from sulphurous products and waste liquors was developed by the bureau and tried successfully on a test-plant scale at the Southwest Experiment Station in cooperation with the department of mining and metallurgy, University of Arizona, Tuscon, Ariz."
Date:
1930
Creator:
Keyes, Harmon E.
System:
The UNT Digital Library
Bureau of Mines Development of Titanium Production Technology
From Abstract: "The development and status of technology for producing titanium from U.S. resource materials are summarized in this Bureau of Mines report."
Date:
1987
Creator:
Henry, J. L.; Stephens, W. W.; Blue, D. D. & Maysilles, J. H.
System:
The UNT Digital Library
Factors Governing the Entry of Solutions into Ores During Leaching
Technical paper issued by the Bureau of Mines over studies on the leaching of copper-bearing ores. As stated in the introduction, the "penetration of the leaching medium into the body of the ore particles" (p. 1) is discussed. This paper includes tables, photographs, and illustrations.
Date:
1929
Creator:
Sullivan, John D.; Keck, Walter E. & Oldright, George L.
System:
The UNT Digital Library
Mineral Resources Investigation of the Pusch Ridge Wilderness, Pima County, Arizona
This report presents the results of a mineral resource potential survey of the Pusch Ridge Wilderness in the Coronado National Forest, Pima County, Arizona.
Date:
1982
Creator:
Ryan, George S.
System:
The UNT Digital Library
Mineral Investigation of the Whetstone Roadless Area, Cochise and Pima Counties, Arizona
From foreword: This report is on the Whetstone RARE II Roadless Area (3-120), Cochise and Pima Counties, Arizona.
Date:
1982
Creator:
McColly, Robert A. & Scott, David C.
System:
The UNT Digital Library