Report issued by the Bureau of Mines on the Coso mercury deposits of Inyo County, and development of the bucket drill for obtaining samples. Descriptions of the physical features of the deposits are listed. This report includes tables, maps, photographs, and illustrations.

Report issued by the Bureau of Mines over mining operations in the southern Mother Lode Region of California. A review of this area is presented, and discussed. This report includes tables, illustrations, and photographs.

The Texas State Historical Association Quarterly Report includes "Papers read at the meetings of the Association, and such other contributions as may be accepted by the Committee" (volume 1, number 1). These include historical sketches, biographical material, personal accounts, and other research. Index is located at the end of the volume starting on page 447.

Bimonthly newsletter published for employees of the Convair Division in Fort Worth containing work-related information, updates about employees, and other news.

Bimonthly newsletter published for employees of the Convair Division in Fort Worth containing work-related information, updates about employees, and other news.

Bimonthly newsletter published for employees of the Convair Division in Fort Worth containing work-related information, updates about employees, and other news.

From Introduction Purpose of Investigation: "To determine some of the physical and chemical properties of known Pacific Northwest diatomites, the present investigation was started in 1938 by the Bureau of Mines in cooperation with the College of Mines, University of Washington.

Bimonthly newsletter published for employees of the Convair Division in Fort Worth containing work-related information, updates about employees, and other news.

Bimonthly newsletter published for employees of the Convair Division in Fort Worth containing work-related information, updates about employees, and other news.

Bimonthly newsletter published for employees of the Convair Division in Fort Worth containing work-related information, updates about employees, and other news.

Bimonthly newsletter published for employees of the Convair Division in Fort Worth containing work-related information, updates about employees, and other news.

Bimonthly newsletter published for employees of the Convair Division in Fort Worth containing work-related information, updates about employees, and other news.

Book compiled by the 136th Naval Construction "Seabee" Battalion documenting the history of the group from boot camp in Virginia to various military installations across the U.S. and more permanent postings in Guam and Japan during World War II. There are photographs of various persons and evens as well as an epistolary narrative and lists of names by company at the end of the text.

Report discussing earthquake activity in the United States during 1940. The report is broken down by regions and has sections for specific earthquakes.

From Introduction: "This publication is a summary of earthquake activity in the United States and the regions under its jurisdiction for the calendar year 1939. A history of the more important shocks of the country appears in Serial 609 of the Bureau, "Earthquake History of the United States: Part I-"Continental United States (Exclusive of California and Western Nevada) and Alaska," and Part II. -"Stronger Earthquakes of California and Western Nevada, Revised (1941) edition."

Preface: The author of this paper gives a thorough description of a complex of very unusual igneous rocks and associated hydrothermal deposits.