Review of the Heaving-Shale Problem in the Gulf Coast Region (open access)

Review of the Heaving-Shale Problem in the Gulf Coast Region

Report issued by the U.S. Bureau of Mines over the ongoing issue of heaving-shale in the Gulf Coast area. The operations and potential causes of incompetent heaving-shale are listed. This report includes tables, and a map.
Date: March 1942
Creator: Wade, Gustav
System: The UNT Digital Library
Plastic and Swelling Properties of Bituminous Coking Coals (open access)

Plastic and Swelling Properties of Bituminous Coking Coals

From Introduction: "A critical review of the numerous test methods that have been devised for measuring the "plastic" and "swelling" properties of bituminous coking coals and the practical evaluation of the data obtained has long been needed."
Date: 1942
Creator: Brewer, R. E.
System: The UNT Digital Library
Coal-Mine Accidents in the United States, 1939 (open access)

Coal-Mine Accidents in the United States, 1939

Report compiled by the U.S. Bureau of Mines including statistics on fatal and non-fatal accidents in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.
Date: 1942
Creator: Adams, William W.; Geyer, L. E. & Parry, M. G.
System: The UNT Digital Library
Coal-Mine Accidents in the United States, 1940 (open access)

Coal-Mine Accidents in the United States, 1940

Report compiled by the U.S. Bureau of Mines including statistics on fatal and non-fatal accidents in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.
Date: 1942
Creator: Adams, William W.; Geyer, L. E. & Parry, M. G.
System: The UNT Digital Library