nam a22 7a 4500 55082 55082 20190226131253.0 190226b xxu||||| |||| 00| 0 eng d MAIN eng 622 RZH Rzhevsky, V. V. Opencast mining : unit operation / 1st / Moscow : Mir Publishers , c1985. 479 p ; 22 cm. Geology BK 0 0 ddc 0 622_000000000000000_RZH 0 GLGY 66912 MAIN MAIN GEN 2018-05-03 Geology-13 Shelf 0 622 RZH UGC16262 2018-05-03 1 2018-05-03 BK