Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.

Introduction: It is not intended to give here a full account of the geology of the district but rather to present certain new features that were observed during the season, with enough of the general geology, which is already well known and fully described in other publications, to make them understandable.

From preface: This paper represents the partial fruition of a broad plan to reexamine critically the subject of Basin-Range structure.

From Introduction: "The Mexia-Powell fault fields have long held the attention of the oil industry, and this report proposes to present information on these fields and to interpret it for the consideration and guidance of all persons concerned in further development of the area. Detailed study of this field was made primarily to obtain a better working knowledge of the major features, involving structural conditions, the character and nature of the Woodbine pay sand, and the source of water."

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.

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.

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.).

From Scope of Report: "The present bulletin therefore can be considered as one of series which, taken as a whole, will present a comprehensive picture of the characteristics of crude petroleum. Its main purpose is to present analyses of more than 300 typical crude oils, all produced within the United States."

Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.

Technical paper issued by the Bureau of Mines over tests conducted on ground resistivity with a megger. The results of the tests are presented and discussed. This paper includes tables, and illustrations.

Technical paper issued by the Bureau of Mines over experiments in electrical methods. The methods and equipment used are presented and described. This paper includes tables, illustrations, and photographs.

Technical paper issued by the Bureau of Mines over studies in mine safety and communication. The methods and equipment used in the studies are presented and discussed. This paper includes tables, illustrations, and photographs.

Brief summary of the habitat, habits, food and economic status, measurements, subfamilies, and subgenera of genera Sorex and Microsorex.