Biblioteca SEGEMAR

Vista normal Vista MARC Vista ISBD

Kopp, John W.

Effects of millisecond-delay intervals on vibration and airblast from surface coal mine blasting / by John W. Kopp and David E. Siskind. - Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1986. - 44 p. : ill. ; 29 cm. - Report of investigations ; 9026 . - Report of investigations (United States. Bureau of Mines) ; 9026. .

Bibliography: p. 33-34.

LCCN: 86600038

Subjects--Topical Terms:
Coal mines and mining--Safety measures.
Strip mining--Safety measures.
Blast effect.

LC Class. No.: TN23 TN295 / .U43 no. 9026

Dewey Class. No.: 622 s 622/.8

Gov. Doc. Class. No.: I 28.23:9026.