Biblioteca SEGEMAR

Vista normal Vista MARC Vista ISBD

Stachura, Virgil J.

Delayed blasting tests to improve highwall stability : a progress report / by Virgil J. Stachura and Larry R. Fletcher. - Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1984. - 24 p. : ill., maps ; 28 cm. - Bureau of Mines report of investigations ; 8916 . - Report of investigations (United States. Bureau of Mines) ; 8916. .

Bibliography: p. 21.

LCCN: 84600214

Subjects--Topical Terms:
Blasting.
Coal mines and mining--Safety measures.

LC Class. No.: TN23 TN279 / .U43 no. 8916

Dewey Class. No.: 622 s 622/.334

Gov. Doc. Class. No.: I 28.23:8916.