Publicado por US Dept. of the Interior: Bureau of Mines/Denver Mining Research Center, Denver, Colorado, 1982
Librería: Xochi's Bookstore & Gallery, Truth or consequences, NM, Estados Unidos de America
Paper Back. Condición: USED_NEARFINE. No Jacket. 76pp.; SC yellow w/blk.staple-bound(no title on spine); clean,tight pgs. Parameters for rational longwall panel design with respect to ground control. illus., charts. Progress Report 10034.
Publicado por US Dept. of the Interior: Bureau of Mines/Denver Mining Research Center, Denver, Colorado, 1982
Librería: Xochi's Bookstore & Gallery, Truth or consequences, NM, Estados Unidos de America
Paper Back. Condición: Near Fine. No Jacket. 76pp.; SC yellow w/blk.staple-bound(no title on spine); clean,tight pgs. Parameters for rational longwall panel design with respect to ground control. illus., charts. Progress Report 10034.