Engineering Factors Ventilation of Metal Mines Department Interior / Mines 1935
£7.13£8.39
Mining History
US DEPARTMENT OF INTERIOR /MINES 1940 Explosion Hazards in Storage-Battery Rooms
£7.13£8.39
PREVENTION QUARRY ACCIDENTS Department of Interior Bureau of Mines (1950) #473
£7.13£8.39
United States Code Annotated 1986 TITLE 30 MINERAL LANDS AND MINING 1 TO 800
£16.21£19.07
INTERNATIONAL MINERALS & CHEMICAL CORP. INDUSTRIAL DIVISION MINING BAG 13"x 8"
£12.32£14.49