Technical Report Archive & Image Library (TRAIL) - 8 Matching Results

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Biological Investigations in Alaska and Yukon Territory

Description: From letter of transmittal: "Report on biological investigations made in the interior of Alaska and the Yukon territory in 1903 and 1904. It consists of separate reports on three distinct areas, describing the physiography and giving detailed accounts of the animal life of the region."
Date: October 7, 1909
Creator: Osgood, Wilfred H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Dependence of Magnetic Hysteresis upon Wave Form

Description: Report issued by the Bureau of Standards over studies on magnetic hysteresis and its dependence upon wave form. Methods and equipment used during the studies are presented and discussed. This report includes tables, and illustrations.
Date: 1909
Creator: Lloyd, Morton G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Geology and Water Resources of the Northern Portion of the Black Hills and Adjoining Regions in South Dakota and Wyoming

Description: Introduction: this paper, which supplements the report on the geology and water resources of the southern half of the Black Hills, published in 1901, is the result of studies made at intervals during the years 1899 to 1907.
Date: 1909
Creator: Darton, Nelson Horatio
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Notes on Explosive Mine Gases and Dusts: with Special Reference to Explosions in the Monongah, Darr, and Naomi Coal Mines

Description: From Introduction: "The studies herein reported were begun as a part of researches undertaken by the United States Geological Survey looking to the more efficient utilization of the coal in the United States through the reduction of the waste in its extraction, and were continued as part of further researches having regard to the conversation of the fuel resources of this country and to the lessening of injuries and fatalities in coal mining."
Date: 1909
Creator: Chamberlin, Rollin Thomas
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Revision of the Mice of the American Genus Peromyscus

Description: From letter of transmittal: "The work consists of a systematic study of all the members of the genus, and includes keys for the identification of the various forms, together with the necessary illustrations, and maps showing the geographic distribution of the species."
Date: April 17, 1909
Creator: Osgood, Wilfred H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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