Stoping Methods and Costs (open access)

Stoping Methods and Costs

Report presenting a study of stoping methods and costs and summarizing the data obtained in earlier publications and those obtained during investigations in the field that apply particularly to stoping.
Date: 1936
Creator: Jackson, Charles Freeman & Gardner, E. D.
System: The UNT Digital Library
Copper Mining in North America (open access)

Copper Mining in North America

From introduction: "In this paper are assembled and summarized many subjects relating to the copper industry in North America. Production of mines and districts, history of the industry in North America. Production of mines and districts, history of the industry, geology, of the principal deposits, and mining methods and costs are discussed."
Date: 1938
Creator: Gardner, E. D.; Johnson, C. H. & Butler, B. S.
System: The UNT Digital Library
Gold Mining and Milling in the United States and Canada: Current Practices and Costs (open access)

Gold Mining and Milling in the United States and Canada: Current Practices and Costs

Introduction Object and Scope of Paper: "This paper attempts to assemble and discuss briefly in one volume a number of subjects relating to the mining of gold, particularly from lode deposits, in the United States and Canada."
Date: 1932
Creator: Jackson, Charles F. & Knaebel, John B.
System: The UNT Digital Library
Index of Selected Gasification Patents (In Three Parts): [Part] 2. United Kingdon, Australian, Canadian, and South African Patents (open access)

Index of Selected Gasification Patents (In Three Parts): [Part] 2. United Kingdon, Australian, Canadian, and South African Patents

Report issued by the Bureau of Mines over patents related to the Fischer-Tropsch synthesis. Details of the patents are presented and discussed. This report includes illustrations.
Date: 1962
Creator: Klosky, Simon & Murphy, Zane E.
System: The UNT Digital Library