United States Earthquakes, 1931 (open access)

United States Earthquakes, 1931

Report discussing earthquake activity in the United States during 1931. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932
Creator: Neumann, Frank
System: The UNT Digital Library
Mineralogy of Drill Cores from the Potash Field of New Mexico and Texas (open access)

Mineralogy of Drill Cores from the Potash Field of New Mexico and Texas

From summary: This report details the survey of the potash field of southeastern New Mexico and adjacent parts of Texas. The material described in this report was obtained from drill cores and well cuttings.
Date: 1932
Creator: Schaller, Waldemar T. & Henderson, Edward P.
System: The UNT Digital Library