Report discussing experiments done on expandable waxes of lignites to determine yields and properties from certain place in the United States.

Report issued by the U.S. Bureau of Mines on the study of contamination of cores obtained with conventional core barrels. The effect of the oil-based drilling fluid and analysis of the cores are presented. The report includes tables, graphs, and illustrations.

Report issued by the U.S. Bureau of Mines on the West Belt copper-zinc mines. The properties and characteristics of the mineral composition are presented. The report includes tables and maps.

Report documenting the suitability of California for plant locations to produce synthetic liquid fuels, based on raw materials such as oil-impregnated strippable deposits, coal, and natural gas.

Report issued by the U.S. Bureau of Mines discussing metallurgical and mineral fumes and dusts in Los Angeles County, California. Properties of dusts and fumes from different minerals are presented. This report includes tables, maps, illustrations, and photographs.

Report issued by the U.S. Bureau of Mines on secondary methods of oil-recovery in California oil fields. The main recovery method studied are of the pressure-maintenance type, such as air-injection. The report is divided into two parts, and includes maps and tables.

Report issued by the U.S. Bureau of Mines on the study of secondary-recovery methods of oil production in California. The report discusses methods and properties of this type of oil production, focusing on air injection. This report is in two parts, and contains tables and maps.

Report issued by the U.S. Bureau of Mines discussing the mining methods and operations of open-pit iron mines in Riverside County, California. History and geology of the mines are presented. This report includes maps, tables, illustrations, and photographs.

Report issued by the Bureau of Mines over metallurgical studies of the Quien Sabe antimony mine. History, geology, and physical features of the mine are presented. This report includes tables, maps, and illustrations.

Report issued by the Bureau of Mines over manganese deposits of Santa Clara and Stanislaus Counties. As stated in the introduction, "the geology is outlined, ore deposits are described and work performed by the Bureau of Mines is covered in detail and supplemented by assay maps and figures" (p. 1). This report includes tables, maps, and illustrations.

Report issued by the Bureau of Mines over studies conducted on petroleum engineering and gas-injections in California. The results of the engineering study are presented. This report includes tables, maps, and illustrations.

Report issued by the Bureau of Mines over studies conducted on clays of petroleum-reservoir rocks in Kern County, California. The effects of water sensitivity of clays are presented. This report includes tables, maps, illustrations, and photographs.

Report issued by the Bureau of Mines over studies conducted on the bentonite deposits of San Benito County, California. As stated in the introduction, "the purpose of the study was to learn if these large deposits contain bentonite of sufficient quality and quantity to be of economic value as an oil-well drilling mud additive" (p. 1). This report includes tables, maps, illustrations, and photographs.

Report issued by the U.S. Bureau of Mines discussing materials surveys conducted on mercury. As stated in the foreword, "the surveys dealing with metals and minerals summarize the demand-supply position in the United States and include information on production, imports, consumption, exports, substitutes, and pertinent history" (p. v). This report includes maps, tables, illustrations, and photographs.