Serial/Series Title
States
6 Matching Results
Results open in a new window/tab.
Results:
1 - 6 of
6
Ventilation of the Large Copper Mines of Arizona
Introduction: "This bulletin discusses ventilation methods, practices, and costs at 11 large copper mines in Arizona, as obtained by brief personal studies and from supplementary information furnished by the mine managements. These mines were visited from December, 1928, to November, 1929, and the methods and practices in use when visited are described in some detail."
Date:
1930
Creator:
McElroy, G. E.
System:
The UNT Digital Library
Quicksilver
From Introduction: "Material for this report was gathered during the last quarter of 1928 and the first quarter of 1929, when the author visited the quick-silver-producing districts of California, Nevada, Texas, Oregon, Washington and Arizona to view the progress made in recent years and gather material for a comprehensive study of the present-day quicksilver industry of the United States."
Date:
1931
Creator:
Schuette, C. N.
System:
The UNT Digital Library
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
Methods and Costs of Stripping and Mining at the United Verde Open-Pit Mine, Jerome, Arizona
Report issued by the U.S. Bureau of Mines discussing the mining practices and expenses of the United Verde open-pit mine west of Jerome, Arizona. As stated in the introduction, "the purpose of this paper is to present the methods used in developing and operating the mine, and to discuss the problems encountered" (p. 1). This report includes tables, maps, and illustrations.
Date:
February 1930
Creator:
Alenius, E. M. J.
System:
The UNT Digital Library
Procedure of the Purchasing and Supply Departments of the Miami Copper Company, Miami, Arizona
Report issued by the U.S. Bureau of Mines discussing the purchasing procedures documented by the Miami Copper Company in Arizona. Supplies, invoices, discounts, and accounting procedures are described in detail. This report includes tables, and illustrations.
Date:
May 1932
Creator:
Bishop, Fred L. & Keller, Albert E.
System:
The UNT Digital Library
Accounting System and Office-Management Procedure for Medium-Size Metal Mines
Report discussing an accounting system and management of office procedures design for medium-size metal mines, offered by the United States Bureau of Mines, to be more efficient in the mining industry.
Date:
1934
Creator:
Keller, Albert E.
System:
The UNT Digital Library