TY - BOOK AU - TI - E/MJ Operating Handbook Of Mineral Underground Mining : Volume 3 SN - 070195218 U1 - 622.2 EMJ PY - 1978/// CY - New York PB - McGraw-Hill KW - Mining Engineering KW - Handbook, Manuals, etc N1 - "Compiled from recent issues of Engineering and mining journal."; Includes indexs ( p.: 435 - 440 ) ER -