The Occurrence of Gases in Coals (open access)

The Occurrence of Gases in Coals

Report issued by the U.S. Bureau of Mines on the different types of gases that are present in coal. Theories behind why these gases occur in coal are presented. This report includes tables and graphs.
Date: June 1934
Creator: Selden, R. F.
Object Type: Report
System: The UNT Digital Library
Report on the Agricultural Experiment Stations, 1933 (open access)

Report on the Agricultural Experiment Stations, 1933

Volume provides a summary of the progress of each agricultural experiment station. Also includes statistics and selected studies.
Date: June 1934
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library