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Across 5. thr rock or ore removed in one blast 7. a hoist for men and materials and not for ore 8. airpowered scraper used to pull muck from the face back to the ore chute 11. the waste rock that has been through the mill and had the vaulable minerals removed 13. a vertical or inclined opening that starts on the surface and goes into the mine 15. waste rock that is mined at the same time as the ore 18. a shaft that begins underground and goes down from there 19. the zone of minerals 20. the elevation of the workings below the shaft 21. ore and waste rock that has been broken up by blasting 24. equipment that lowers and raises everything up and down the shaft 26. a vertical or inclined hole commonly used to provide ventilation 27. the structure sitting of the shaft that holds the pulleys and cables that raise and lower the skip

Down 1. device that can convert carbon monoxide into carbon dioxide for breathing 2. a contract miner who makes "days pay" plus production bonus 3. cage or compartment that the miners ride in 4. air-powered drill used to drill holes for explosives or bolts 6. a horizontal tunner driven along a mineral vein 9. a verticla or inclines passwageway driven between levels 10. the clothes worn by miners underground 12. the area between two levels of the mine where mining occurs 14. the end of the drift where the miners work 16. a level, horizontal drift or passage from the surface into a mine 17. any mineral that can be mined for a profit 21. a locomotive used to transport ore over steel tracks in the mine 22. area where the skip unloads at each level of the mine; usually includes storage areas 23. a series of "checkerboard" openings that separate ore and rock that enters the ore bin by size 25. a cage operator who "bells" the hoistman to raise or lower the cage