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Mineral Deposits of Central America

Description: From introduction: This report is based on investigations carried on by the Geological Survey (U. S. Department of the Interior) under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation (U. S. Department of State) and the Foreign Economic Administration. The function of the last two agencies is presently carried on by the International Cooperation Administration. Roberts is responsible for the text of this report and for the compilation of the geologic map. H… more
Date: 1957
Creator: Roberts, Ralph Jackson & Irving, Earl M.
Partner: UNT Libraries Government Documents Department
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Some Engineering Problems of the Panama Canal in Their Relation to Geology and Topography

Description: Report issued by the Bureau of Mines over issues encountered during construction of the Panama Canal. As stated in the introduction, "this report aims to discuss, from the viewpoint of the mining geologist, the bearing of topographic and geologic conditions on certain problems that arose in the construction of the Panama Canal" (p. 7). This report includes tables, maps, illustrations, and photographs.
Date: August 1915
Creator: MacDonald, Donald F.
Partner: UNT Libraries Government Documents Department
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Study of Clay Shale Slopes Along the Panama Canal, Report 3: Engineering Analyses of Slides and Strength Properties of Clay Shales Along the Gaillard Cut

Description: "The results of the engineering studies and analyses which provide guidance on shear strength parameters applicable to the stability evaluation of existing slopes along the Gaillard Cut, the effects of future modifications, and evaluation of newly excavated slopes in clay shales are summarized in this report" (abstract). This report includes the appendices containing enginering data, characteristics of materials, analysis of past slides, active slopes, and hydrographic survey data.
Date: 1975
Creator: Banks, Don C.; Strohm, William E., Jr.; De Angulo, Mariano & Lutton, Richard J.
Partner: UNT Libraries Government Documents Department
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United States Earthquakes, 1930

Description: Report discussing earthquake activity in the United States during 1930. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932
Creator: Neumann, Frank & Bodle, R. R.
Partner: UNT Libraries Government Documents Department
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United States Earthquakes, 1931

Description: Report discussing earthquake activity in the United States during 1931. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932
Creator: Neumann, Frank
Partner: UNT Libraries Government Documents Department
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