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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. He was in Central America from January to April 1942 under a program of scientific and technical cooperation with the American Republics sponsored by the Department of State, and mapped manganese deposits in Costa Rica and manganese and antimony deposits in Honduras.
Date: 1957
Creator: Roberts, Ralph Jackson & Irving, Earl M.

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.

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.

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.

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

United States Earthquakes, 1932

Description: Report discussing earthquake activity in the United States during 1932. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932

United States Earthquakes, 1933

Description: Report discussing earthquake activity in the United States during 1933. The report is broken down by regions and has sections for specific earthquakes.
Date: 1933

United States Earthquakes, 1934

Description: Report discussing earthquake activity in the United States during 1934. The report is broken down by regions and has sections for specific earthquakes.
Date: 1934

United States Earthquakes, 1935

Description: Report discussing earthquake activity in the United States during 1935. The report is broken down by regions and has sections for specific earthquakes.
Date: 1935

United States Earthquakes, 1936

Description: Report discussing earthquake activity in the United States during 1936. The report is broken down by regions and has sections for specific earthquakes.
Date: 1936

United States Earthquakes, 1937

Description: Report discussing earthquake activity in the United States during 1937. The report is broken down by regions and has sections for specific earthquakes.
Date: 1937

United States Earthquakes, 1938

Description: Report discussing earthquake activity in the United States during 1938. The report is broken down by regions and has sections for specific earthquakes.
Date: 1938

United States Earthquakes 1940

Description: Report discussing earthquake activity in the United States during 1940. The report is broken down by regions and has sections for specific earthquakes.
Date: 1940

United States Earthquakes 1941

Description: Report discussing earthquake activity in the United States during 1941. The report is broken down by regions and has sections for specific earthquakes.
Date: 1941

United States Earthquakes 1942

Description: Report discussing earthquake activity in the United States during 1942. The report is broken down by regions and has sections for specific earthquakes.
Date: 1942

United States Earthquakes, 1943

Description: Report discussing earthquake activity in the United States during 1943. The report is broken down by regions and has sections for specific earthquakes.
Date: 1943

United States Earthquakes, 1944

Description: Report discussing earthquake activity in the United States during 1944. The report is broken down by regions and has sections for specific earthquakes.
Date: 1944

United States Earthquakes, 1945

Description: Report discussing earthquake activity in the United States during 1945. The report is broken down by regions and has sections for specific earthquakes.
Date: 1945

United States Earthquakes, 1946

Description: Report discussing earthquake activity in the United States during 1946. The report is broken down by regions and has sections for specific earthquakes.
Date: 1946

United States Earthquakes, 1947

Description: Report discussing earthquake activity in the United States during 1947. The report is broken down by regions and has sections for specific earthquakes.
Date: 1947

United States Earthquakes, 1948

Description: Report discussing earthquake activity in the United States during 1948. The report is broken down by regions and has sections for specific earthquakes.
Date: 1948

United States Earthquakes, 1949

Description: Report discussing earthquake activity in the United States during 1949. The report is broken down by regions and has sections for specific earthquakes.
Date: 1949

United States Earthquakes, 1950

Description: Report discussing earthquake activity in the United States during 1950. The report is broken down by regions and has sections for specific earthquakes.
Date: 1950

United States Earthquakes, 1951

Description: Report discussing earthquake activity in the United States during 1951. The report is broken down by regions and has sections for specific earthquakes.
Date: 1951