Shorter Contributions to General Geology, 1941-42 (open access)

Shorter Contributions to General Geology, 1941-42

Preface: The author of this paper gives a thorough description of a complex of very unusual igneous rocks and associated hydrothermal deposits.
Date: 1942
Creator: Geological Survey (U.S.)
System: The UNT Digital Library
Radioactivity of Asphaltites, Coals, and Shales in Tennessee, Kentucky, West Virginia, and Pennsylvania (open access)

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.
System: The UNT Digital Library