Instrument to Measure the Initial Deformation of Rock Around Underground Openings (open access)

Instrument to Measure the Initial Deformation of Rock Around Underground Openings

Report issued by the Bureau of Mines over development of the tunnel stress relaxation gage. As stated in the introduction, "this report summarizes development and modification of a tunnel stress relaxation gage (TSR) designed to measure initial and long-term deformation around underground excavations" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1978
Creator: Beus, Michael J.; Phillips, Earl L. & Waddell, Galen G.
System: The UNT Digital Library
Bureau of Mines Research on Trailing-Cable-Fault Locators (open access)

Bureau of Mines Research on Trailing-Cable-Fault Locators

Report issued by the Bureau of Mines over fault locators in trailing cables. The methods used for locating faults are discussed. This report includes tables, illustrations, and photographs.
Date: 1978
Creator: Conroy, George J.
System: The UNT Digital Library
CORES Operations Manual: Bureau of Mines Core Repository System (open access)

CORES Operations Manual: Bureau of Mines Core Repository System

Report issued by the U.S. Bureau of Mines discussing the CORES operations manual. As stated in the abstract, "this report describes the new Bureau of Mines Core Repository System (CORES) and presents the methods for selecting, processing, and storing physical samples and descriptive data for future reference by earth scientists" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1978
Creator: United States. Bureau of Mines.
System: The UNT Digital Library
Microfilming Maps of Abandoned Anthracite Mines: Mines in the Southern Anthracite Field (open access)

Microfilming Maps of Abandoned Anthracite Mines: Mines in the Southern Anthracite Field

Report issued by the U.S. Bureau of Mines discussing the microfilming of abandoned anthracite mine maps in Pennsylvania. As stated in the abstract, "a catalog of the microfilmed maps of 47 of 49 major mines and 18 independent mines in the Southern field is presented" (p. 1). This report includes maps, tables, and illustrations.
Date: 1978
Creator: Gait, G. B.
System: The UNT Digital Library