Gypsum Products: Their Preparation and Uses (open access)

Gypsum Products: Their Preparation and Uses

Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date: July 1917
Creator: Stone, Ralph W.
System: The UNT Digital Library
United States Earthquakes, 1933 (open access)

United States Earthquakes, 1933

Report discussing earthquake activity in the United States during 1933. The report is broken down by regions and has sections for specific earthquakes.
Date: 1933
Creator: unknown
System: The UNT Digital Library
United States Earthquakes, 1937 (open access)

United States Earthquakes, 1937

Report discussing earthquake activity in the United States during 1937. The report is broken down by regions and has sections for specific earthquakes.
Date: 1937
Creator: unknown
System: The UNT Digital Library