Report issued by the Bureau of Mines discussing waterflooding techniques used in Osage County, Oklahoma. As stated in the introduction, "information on each individual project covered in this report includes the early history, methods used to complete wells, source and treatment of water, description of automatic custody-transfer systems, oil production-decline curves, mineral analysis of waters, typical electric logs and core analyses, development maps, and the results of waterflooding" (p. 2). This report includes tables, maps, and illustrations.

Report issued by the Bureau of Mines discussing the demands on the oil industry due to an increase in automobiles in the United States. Improvements in drilling methods and refinery practices are presented. This report includes a table.

Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.

Report issued by the U.S. Bureau of Mines discussing mining practices conducted in the tri-state district of Kansas, Missouri, and Oklahoma. As stated in the introduction, "the catalog preserves the records of accomplished explorations and mine developments in the district and provides a readily available source of information for individuals and firms interested in planning mineral explorations, Government agencies estimating of reserves of mineral resources, and the mining industry for general use" (p. 1). This report includes tables, maps, and illustrations