TY - BOOK AU - Oitto, Richard H. AU - McLellan, Russell R., CN - TN295 .U58 no.1010 CN - TN295 CY - [Washington] : DA - [1975] ID - 118434 KW - Mining machinery. KW - Mine safety. PB - Mining Enforcement and Safety Administration, PP - [Washington] : PY - [1975] T1 - Study on underground auger mining hazards / TI - Study on underground auger mining hazards / ER -