Report issued by the Bureau of Mines discussing the coal reserves of Coos County, Oregon. Investigations conducted on the minable coal reserves are presented in detail. This report includes tables, maps, illustrations, and photographs.

Report issued by the Bureau of Mines discussing the coal deposits in Saint Clair County, Alabama. Investigations of the estimated reserves and analyses of the coal fields in this area are presented. This report includes tables, maps, illustrations, and photographs.

Report issued by the Bureau of Mines discussing the geology, chemical, and carbonizing properties of Gunnison County coal reserves in Colorado. Results and analyses of the investigations conducted on the coal reserves are presented in detail. This report includes tables, maps, illustrations, and photographs.

Report issued by the Bureau of Mines discussing the mechanical coal-preparation characteristics. As stated in the introduction, "this second publication reports the washability and screen analyses of the important Illinois coal beds, showing the quality of product that would result when the raw coal is subjected to preparatory treatment" (p. 1). This report includes tables, maps, and illustrations.

Report issued by the Bureau of Mines discussing the coal fields of Alaska. Analyses of the Alaskan coal fields are presented in detail. This report includes tables, and a map.

Technical paper issued by the Bureau of Mines over investigations of available coal in Esmeralda County, Nevada. Exploration of the coal deposits is discussed. This paper includes tables, maps, photographs, and illustrations.

Technical paper issued by the Bureau of Mines over characteristics of Pittsburgh-seam coal in Greene County, Pennsylvania. The characteristics and locations of the coal are presented and discussed. This paper includes tables, maps, and illustrations.

Report issued by the Bureau of Mines discussing the coal reserves and coking properties of the Willow Creek bed in Lincoln County, Wyoming. Analyses of the coal bed are presented in detail. This report includes tables, illustrations, photographs, and a map.

Report issued by the Bureau of Mines discussing the anthracite coal fields of Pennsylvania. History, geology, and mining methods of the anthracite fields are presented. This report includes tables, illustrations, and maps.

Technical paper issued by the Bureau of Mines over analyses of coals from many western states. The characteristics of the coals found in each state are discussed in detail. This paper includes tables, and maps.

Report issued by the Bureau of Mines discussing exploration of Lewis County lignite deposits in Washington. History, development, and drilling methods are presented. This report includes tables, maps, illustrations, and photographs.

Report issued by the Bureau of Mines discussing the lignite and bituminous coal fields of Michigan, Texas, North Dakota, and South Dakota. Analyses of the varying regional coal fields are presented. This report includes tables, maps, and illustrations.

Report issued by the Bureau of Mines discussing analyses of the Eastern and Western coal fields in Kentucky. The two coal fields are described in detail. This report includes tables, and illustrations.

Report issued by the Bureau of Mines discussing mining safety in the Grass Valley mining district. As stated in the introduction, "the purpose of this paper is not to present an outstanding safety record but to show that gold mining can be pursued with the same degree of safety and improvement as any other industry, if and when the management recognizes that it can and must be done" (p. 1). This report includes tables, maps, illustrations, and photographs.

Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteristics of coals and mines are discussed. This paper includes tables, maps, and illustrations.

Report issued by the Bureau of Mines discussing the technological advances made in the mining industry between 1931 and 1941. Mechanized methods for mining operations are presented. This report includes tables, illustrations, and a map.

Report issued by the Bureau of Mines discussing the safety and ventilation hazards presented during the construction of the Wawona tunnel in Yosemite National Park. Safety precautions and procedures used during the construction are presented. This report includes tables, illustrations, and photographs.

Report issued by the Bureau of Mines discussing water pools that accumulate in Pennsylvania anthracite mines. Factors that lead to underground water pools, and methods for water drainage are presented. This report includes tables, maps, illustrations, and photographs.