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Radioactivity of Asphaltites, Coals, and Shales in Tennessee, Kentucky, West Virginia, and Pennsylvania
Report discussing the U.S. Geological Survey's investigation of the radioactivity measurements of asphalltites, coals and shales found in Tennessee, Kentucky, West Virginia, and Pennsylvania.
Date:
October 1948
Creator:
Nelson, J. M. & Brill, K. G., Jr.
Object Type:
Report
System:
The UNT Digital Library
[Letter from Ray I. Mehan to I. H. Kempner, October 3, 1948]
Letter from Ray I. Mehan to I. H. Kempner discussing Mehan's travel plans and the different available flights.
Date:
October 3, 1948
Creator:
Mehan, Ray I.
Object Type:
Letter
System:
The Portal to Texas History