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Life Zones and Crop Zones of New Mexico

Description: Discusses geography, climate, agricultural practices, and crops of each life zone in New Mexico. Provides mammal, breeding bird, reptile, amphibian, and plant species list for each zone. Includes a life zone map.
Date: September 5, 1913
Creator: Bailey, Vernon
Partner: UNT Libraries Government Documents Department
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Metallurgical Coke

Description: Technical paper issued by the Bureau of Mines over studies on metallurgical coke. As stated in the introduction, "in this paper the attempt is made to summarize the history of coke making in the United States, to indicate the development of different methods and the modern types of ovens, and to point out the composition and physical properties of the metallurgical cokes produced in this country" (p. 5). This paper includes tables, illustrations, photographs, and a map.
Date: September 1913
Creator: Belden, A. W.
Partner: UNT Libraries Government Documents Department
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National Mine-Rescue and First-Aid Conference: Pittsburgh, Pennsylvania, September 23-26, 1912

Description: From Introduction: "It this report endeavor has been made to eliminate all unnecessary remarks; but in order that those who hold diverging views regarding the subjects discussed may have before them the arguments that led the conferees to vote for the 36 resolutions adopted, the discussion had in the committees and in open session is published practically in full. Moreover, for the information of those mining officials, operators, and surgeons who are unfamiliar with approved methods of first-a… more
Date: 1913
Creator: Wilson, Herbert M.
Partner: UNT Libraries Government Documents Department
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Oil and Gas Wells through Workable Coal Beds: Papers and Discussions

Description: From Preface: "In carrying out such a policy with reference to the subject under consideration, the Bureau of Mines invited the State geologists, mine inspectors, and a number of coal operators and oil and gas well drillers from the States interested to meet representatives of the Bureau of Mines in Pittsburgh, Pa., for a discussion of the subject during February 7 and February 8, 1913. This adjourned meeting of the conference will be held at an early date and its report will be printed in a la… more
Date: 1913
Creator: Rice, George S. & Hood, O. P.
Partner: UNT Libraries Government Documents Department
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The Origin of Coal

Description: From Introduction: "The purpose of the studies that form the basis of this report was to learn from microscopic examinations of coal how far and in what ways the grouping of coal by types depends on differences in the kinds of plant material from which it was formed and on the conditions of its accumulation, or how far the special characters or qualities of coal of any type were determined by the nature and the state of the plate debris from which the coal was formed."
Date: 1913
Creator: White, David & Thiessen, Reinhardt
Partner: UNT Libraries Government Documents Department
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Recurrent Tropidoleptus Zones of the Upper Devonian in New York

Description: From introduction: This report describes the four zones, three well-marked and one subordinate, in the Upper Devonian rocks, each of which contained several species that are common in the typical Hamilton formation of the Cayuga Lake section and are associated with very few of the really characteristic species of the faunas normal to the formations in which they are found.
Date: 1913
Creator: Williams, Henry Shaler
Partner: UNT Libraries Government Documents Department
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The Sampling and Examination of Mine Gases and Natural Gas

Description: Report by the U.S. Bureau of Mines based on experiments performed in Pittsburgh, Pennsylvania to study mine gases. Findings in this bulletin include descriptions of the experiments and equipment used: "The first part of this report deals with the methods used by the bureau in the collection and examination of the various mine gases; the latter part discusses the bureau's methods of sampling and examining natural gas" (p. 5).
Date: 1913
Creator: Burrell, George A. & Seibert, Frank M.
Partner: UNT Libraries Government Documents Department
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Sampling Coal Deliveries and Types of Government Specifications for the Purchase of Coal

Description: From Introduction: "Therefore the method of taking and preparing samples for shipment to the laboratory has been given fully as much care as the making of the analyses and tests, and a general plan of collecting samples fairly representative of the delivered coal has been evolved through various modifications and improvements based on experience and increased knowledge of the physical and chemical characteristics of the various coals that are purchased by the Government. The method that is in g… more
Date: 1913
Creator: Pope, George S.
Partner: UNT Libraries Government Documents Department
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The Selection of Explosives used in Engineering and Mining Operations

Description: From General Statement: "This bulletin deals with the characteristic features of the principal explosives used in mining and engineering operations, and especially with the tests that show the suitability of different classes of explosives for different kinds of work."
Date: 1913
Creator: Hall, Clarence & Howell, Spencer P.
Partner: UNT Libraries Government Documents Department
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Tests of Permissible Explosives

Description: From Introduction: "A copy of the test requirements and the names of explosives on the permissible list dated March 1, 1913, are appended to this bulletin. An explosive is considered permissible for use in coal mines when it is similar in all respects to the sample that passed the tests required by the bureau, and when it is used in accordance with the conditions prescribed."
Date: 1913
Creator: Hall, Clarence & Howell, Spencer P.
Partner: UNT Libraries Government Documents Department
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The Titaniferous Iron Ores in the United States: Their Composition and Economic Value

Description: From Introduction: "The summer of 1911 was spent in visiting the principal localities in the United States at which titaniferous iron ores occur, for the purpose making systematic collections of material. The following winter was spent in a study of the collected material in the geological laboratory of the John Hopkins University where the author contained as a Johnston scholar. This report is an account of the results obtained."
Date: 1913
Creator: Singewald, Joseph T., Jr.
Partner: UNT Libraries Government Documents Department
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