From title page: "For some years the Bureau of Mines, in connection with its investigations relating to efficiency in the combustion of fuels, as been engaged in a study of smoke prevention. Popular support for such work is usually based upon the injurious effects of smoke on the human ssytem, and this paper is published as a contribution to the literature dealing with that subject."

Report discussing a case study of a coal company in Western Pennsylvania to show how mining companies might decrease their timber bills.

Report issued by the U.S. Bureau of Mines on the severity of accidents in the metal-mine industry. 34 metal-mines documented the number and severity of all accidents over the course if one calendar year. This report includes tables.

Report issued by the U.S. Bureau of Mines on the coal-mining related deaths in May, 1926. The 126 accidents are documented and categorized. The accidents are analyzed in order to prevent future accidents, and to implement safety procedures. This report includes tables.

Report issued by the U.S. Bureau of Mines on experiments conducted to improve the cab conditions of freight engines. The temperature, gas content, and other properties are presented. This report includes tables, graphs, and illustrations.

This report analyzes experiments made to develop a method of utilizing the immense deposits of lignite in the United States.

Report issued by the U.S. Bureau of Mines on a study of the causes of employee accidents in California oil fields during the year of 1921 - 1922. This investigation was conducted to develop safety procedures and future accident prevention. This report includes tables.

Report discussing "the extent and nature of the hazards to firefighters from gases and smoke resulting from the application of carbon tetrachloride extinguisher to electric arcs, burning insulation or fires such as may occur in electrical apparatus and machinery. The experiments described were made for the purpose of determining the nature of gases and smoke and ascertaining their toxic properties" (p. 1).

Report issued by the U.S. Bureau of Mines on the possibilities of applying oxygenated air during metallurgical and allied processes. The methods and results of applying oxygenated air to these processes are presented. This report includes tables and graphs.

Report providing information about the most appropriate kinds of breathing apparatus -- gas masks, hose masks, or self-contained oxygen-breathing apparatus -- to use in different situations.

Report issued by the U.S. Bureau of Mines on a survey of the New Albany oil-shale deposits in Indiana. The experimental procedures for surveying and sampling these shale deposits are presented in detail. This report includes tables, and graphs.

Report issued by the U.S. Bureau of Mines on the possibilities of increasing fuel production from crude oil. Methods of recovering oil that is lost by remaining uncondensed are presented. This report includes tables, graphs, and illustrations.

Report issued by the U.S. Bureau of Mines on the air quality in metal-mines after using wet drills. Dust samples are collected and compared to samples collected from similar metal-mines in South Africa and Australia. This report includes tables.

Report issued by the U.S. Bureau of Mines on the characteristics and behavior of oil and coal distillation processes. The effectiveness of the distillation processes and the properties of the oil and coal mixtures are presented. This report includes tables, graphs, and illustrations.

Report on recovering unburned fuel from boiler furnace refuse, based on processes used in Europe and tests in the United States.

Report issued by the U.S. Bureau of Mines detailing the laboratory-scale tests of the efficiency of the Trent process in cleaning coal, in which powdered coal, water, and oil is agitated or beaten together to remove impurities. The report includes details in tables detailing the efficiency varying the type and amounts of coal, oil, and water on the process.

This report provides results of analyses and pertinent fata regarding eleven samples taken from the composition of the air in burning buildings.

Report on the recovery of gold from black sand tailings, based on tests conducted at the U.S. Bureau of Mines' Alaska Station.

Report issued by the U.S. Bureau of Mines on the talc deposits in New York state. The report includes details on the geology of the deposits, and the mining and milling of the talc. This report contains illustrations.

Report on mine ventilation and its relation to safety and efficiency.

Report on the importance of industrial education in the mining sector. It explains general education and facilities for specialized education for proficiency in a given field.