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Preliminary Report Trace Elements Investigations Hickman and Adjacent Counties, Tenn.
The following report describes the findings from an investigation of a uranium-bearing strata undertaken in Hickman and adjacent counties in west-central Tennessee during the summer and fall of 1944. The strata contained radioactive elements within the Chattanooga shale and the Maury glauconitic member of the Ridgetop shale.
Date:
February 1945
Creator:
Brill, Kenneth G., Jr.; Nelson, John M. & Prouty, Chilton E.
System:
The UNT Digital Library
Preliminary Report - Radioactivity of Some Alaskan Placer Samples
The following report provides results taken from more than 600 samples found in Alaska, mostly concentrates from placer operations, that were tested for radioactivity during January 1945 in the laboratory of the Geological Survey.
Date:
February 1945
Creator:
Harder, James O. & Reed, John C.
System:
The UNT Digital Library
Control Chart Method Applied to Errors in Radioactive Counting
Abstract: The Control Chart statistical methods, developed by Showhart for the control of quality of manufactured products, are applied to the control of Geiger-Miller counting instruments. Experiments are reported to show the use to the Control Chart method for detecting disturbances in instrumental behavior and for detecting radioactive effects so weak that they are near the limit of detection of the instruments. As a corollary, the control chart can be used to reduce to its practical limit the time required for tests.
Date:
February 22, 1947
Creator:
Schlecht, W. G.
System:
The UNT Digital Library
The Occurrence of Germanium
The following report discusses the possible sources of the uncommon element, germanium. It is the first in a series of reports to be prepared by the Geological Survey discussing rare and uncommon elements.
Date:
February 1945
Creator:
Fleischer, Michael & Harder, J. C.
System:
The UNT Digital Library