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Copper Mining in North America

Description: 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
Item Type: Report
Partner: UNT Libraries Government Documents Department

Stopping Methods and Costs

Description: No Description Available.
Date: 1936
Creator: Jackson, Charles Freeman & Gardner, E. D.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Petroleum Laws of All America

Description: Report issued by the Bureau of Mines covering petroleum laws of the U.S. and surrounding oil producing countries. As stated in the preface, "this bulletin includes the petroleum laws of (1) United States; (2) the several oil-producing States; (3) Canada; (4) Mexico; (5) the Republics of Central and South America" (p. iv).
Date: March 1921
Creator: Thompson, Joseph Wesley
Item Type: Report
Partner: UNT Libraries Government Documents Department

Engineering Aspects of the September 19, 1985 Mexico Earthquake

Description: Report issued by the National Bureau of Standards over the 1985 Mexico earthquake. The rescue efforts and damage assessments are discussed. This report includes tables, maps, illustrations, and photographs.
Date: May 1987
Creator: Stone, William C.; Yokel, Felix Y.; Celebi, Mehmet; Hanks, Thomas & Leyendecker, Edgar V.
Item Type: Report
Partner: UNT Libraries Government Documents Department

World Survey of Tantalum Ore

Description: Report issued by the U.S. Bureau of Mines discussing the occurrences of tantalum in different areas of the world. The tantalum deposits are described in reference to each individual country that it is found in. This report includes maps, tables, and illustrations.
Date: March 1945
Creator: Baker, James S.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Seven New White-winged Doves from Mexico, Central America, and Southwestern United States

Description: Seven new subspecies of the white-winged dove (Zenaida asiatica) are described. The patterns of these recoveries are an invaluable aid to understanding racial distribution of this species. The extent of migration that breed in Central America is not yet adequately known. The range of the doves extends as far north as the southwestern United States.
Date: May 1968
Creator: Saunders, George B.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Natural History of the Tres Marías Islands, Mexico

Description: Brief description of the Tres Marías Islands, Mexico, including mammals, birds, reptiles, crustacea, and plants found there.
Date: April 29, 1899
Creator: Nelson, E. W.; Stejneger, Leonhard; Rathbun, Mary J. & Rose, J. N.
Item Type: Report
Partner: UNT Libraries Government Documents Department