Mining of mineral deposits : a textbook / [by] L. Shevyakov. [Translated from the Russian by V. Schiffer]. Razrabotka mestorozhdeniĭ poleznykh iskopaemykh. English Shevi︠a︡kov, L. D. (Lev Dmitrievich), 1889-1963. Mining engineering. TN275 .S5313 549 SHM Translation of Razrabotka mestorozhdeniĭ poleznykh iskopaemykh. Moscow : Foreign Languages Pub. House [1963] [1963] 1963 Text 686 p. : eng engrus