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Low-Temperature Carbonization Assays of North American Coals (open access)

Low-Temperature Carbonization Assays of North American Coals

Report issued by the Bureau of Mines over studies conducted on low-temperature carbonization of coal. Methods and results of the studies are presented and discussed. This report includes tables, illustrations, and photographs.
Date: 1957
Creator: Selvig, W. A. & Ode, W. H.
System: The UNT Digital Library
Analyses of Tipple and Delivered Samples of Coal: (Collected During the Fiscal Years 1948 to 1950 Inclusive) (open access)

Analyses of Tipple and Delivered Samples of Coal: (Collected During the Fiscal Years 1948 to 1950 Inclusive)

From Forward: "This bulletin is the first of a new series, which includes analyses of only tipple and delivered coal. It covers samples collected throughout the United States from July 1, 1947 to June 30, 1950 (fiscal years 1948-50). It is planned that future publications of this series will cover a period of one fiscal year only and be issued as soon as possible after June 30 of each year."
Date: 1953
Creator: Snyder, N. H. & Aresco, S. J.
System: The UNT Digital Library
External Environmental Radiation Measurements in the United States (open access)

External Environmental Radiation Measurements in the United States

Report regarding ion chamber measurements made of the external environmental radiation in various location in the United States during the summer of 1957.
Date: March 11, 1958
Creator: Solon, Leonard R.; Lowder, Wayne M.; Zila, Albert; LeVine, H. D.; Blatz, Hanson & Eisenbud, Merril
System: The UNT Digital Library
Lignite in Greece (open access)

Lignite in Greece

From Summary and Conclusions: "The objective of this investigation has been stated above in the Introduction. Studies were made of mining operations in the Athens Basin, Rafina and Oropos districts; the Kimi and Aliveri areas on the island of Euboea; and the Peloponnese in the vicinity of Kalamai. (See fig. 2). Mining practices at mines in these areas are summarized briefly in this report. Samples of lignite were shipped to Bureau of Mines experiment stations at Pittsburgh, Pa., and Golden, Colo., for washability and utilization studies."
Date: 1951
Creator: Toenges, Albert L.; Crentz, W. L.; Parks, B. C. & Abernethy, R. F.
System: The UNT Digital Library
Mineral Facts and Problems, 1956 (open access)

Mineral Facts and Problems, 1956

Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions of common minerals and their uses are presented and discussed. This report includes tables, maps, and illustrations.
Date: 1956
Creator: United States. Bureau of Mines.
System: The UNT Digital Library