A method to eliminate explosion hazards in auger highwall mining
By: by Jon C. Volkwein and James P. Ulery.
Contributors: Ulery, J. P.
Series: Report of investigations ;; 9462; Report of investigations (United States. Bureau of Mines) ;; 9462.
Publisher: Bureau of Mines, U.S. Dept. of the Interior
Published: 1993
Place of publication: Washington, D.C
Language: eng
Number of pages: 14
Subjects: Mine explosions -- Prevention.; Gases, Rare -- Testing.; Coal augers.
Notes: Includes bibliographical references (p. 14).