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 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 on how to identify good gasoline and kerosene, written for the average citizen, with an explanation of purchaser and supplier relationships.

Report issued by the Bureau of Mines over studies conducted on red iron-ore mining near Birmingham, Alabama. Results of the studies are presented and discussed, as are mining methods. This report includes tables, illustrations, and photographs.

Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods and uses of lignite are discussed. This report includes tables, maps, illustrations, and photographs.

Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods and uses of lignite are discussed. This report includes tables, maps, illustrations, and photographs.

Report issued by the Bureau of Mines over the design of safe electrical accessories for use in mining equipment. Different types of electrical accessories are presented and discussed. This report includes illustrations.

From Introduction: "Data collected by the Bureau of Mines indicate the United States a large percentage of the blasting in quarries, shafts, and tunnels, and from 15 to 25 percent of the blasts in mining operations, are set off electrically. The Bureau of Mines is interested in electric shot-firing because of its use in mining, and especially because electric methods, when properly applied, are undoubtedly safer than other methods commonly used."

From Introduction: "This paper is presented, therefore, as a manual of apparatus and methods that the bureau has developed for work on oil shale and found satisfactory for routine tests and for research. Explanation and discussion of the principles underlying the methods of testing are included wherever necessary for a clearer understanding."

From Introduction: "This bulletin deals entirely with the cause and removal of water emulsified in crude petroleum and the colloidal theories involved."

From Introduction: "This report is divided into six parts as follows: (1) Occurrence of clays in Georgia and the source of the clays tested; (2) washing tests; (3) physical test; (4) utilization of kaolins white ware; (5) utilization of clays in refractories; and (6) utilization of clays in face brick."

From Introduction: "The characteristics of the numerous varieties and types of peat and their geographic distribution in the United States have been discussed at length in those publications. This report therefore considers these topics only in their relation to the subjects specified in the following act (40 Stat. 1154) authorizing the investigation described herein."

Report published by the U.S. Bureau of Mines which is a compilation of accidents in quarries located in the United States with data regarding the number and kinds of accidents as well as information about the mining operations (e.g., number of men employed, kinds of quarries, amount of work performed, etc.).

Report issued by the U.S. Bureau of Mines covering accidents that happened in metal mines located in the United States including statistics for injuries, fatalities, kinds and causes of accidents, and operational data, such as number of mine workers and shifts worked.

From Introduction: "The aim of the report is to help the superintendent and the operator to adopt the safest and most efficient methods of removing rock underground."

Report compiled by the U.S. Bureau of Mines including statistics on fatalities in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.

From Introduction: "In view of the increasing importance of the diamond drill in prospecting for oil, the Bureau of Mines issues this bulletin."

Report containing several articles discussing coal in the state of Virginia. These articles cover geographic deposition of coal, coal production, mining methods, and analyses of coal samples. Index begins on page 71.

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

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 the design of accessories used in mining outfits, including the good and bad features of the various designs, for the purpose of encouraging continued improvement in the apparatus and to advance the cause of mine safety.

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.

Technical paper issued by the Bureau of Mines over the Bowie-Gavin process. As stated in the introduction, "this paper describes a process and an apparatus designed to recover oil from such deposits" (p. 1). The results of experiments conducted using this process are discussed. This paper includes tables, illustrations, and photographs.

Technical paper issued by the Bureau of Mines over oil-contaminated water. As stated in the introduction, this paper discusses "the development of suitable apparatus for handling and disposing of oil wastes in order to prevent the pollution of navigable waters" (p. 1). This report includes tables, illustrations, and photographs.