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American Lignites: Geological Occurrence, Petrographic Composition, And Extractable Waxes
Report discussing experiments done on expandable waxes of lignites to determine yields and properties from certain place in the United States.
Date:
1950
Creator:
Selvig, W. A.; Ode, W. H.; Parks, B. C. & O'Donnell, H. J.
System:
The UNT Digital Library
Reconnaissance for Trace Elements in North Dakota and Eastern Montana
From abstract: A reconnaissance for sources of radioactive material in North Dakota and eastern Montana was made in 1948. This reconnaissance was followed by a more detailed survey of parts of Golden Valley and Slope counties, southwestern North Dakota, in June 1949. The radioactivity of representative sections of all formations known to be exposed in the area and of three manganiferous spring deposits was determined with portable Geiger-Mueller counters. At 86 localities 82 samples were taken of these formations and also of 10 ground and surface waters.
Date:
February 1950
Creator:
Wyant, Donald G. & Beroni, Ernest P.
System:
The UNT Digital Library