- 7 2 5pts Make A Drawing To Illustrate The Room And Pillar Mining Method And Label The Key Element You May Choose To 1 (45.79 KiB) Viewed 19 times
7. (2.5pts) Make a drawing to illustrate the room and pillar mining method and label the key element. You may choose to
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7. (2.5pts) Make a drawing to illustrate the room and pillar mining method and label the key element. You may choose to
7. (2.5pts) Make a drawing to illustrate the room and pillar mining method and label the key element. You may choose to do this for one of two deposit types: a hard rock limestone deposit that is 80' thick or a coal deposit that is 8's thick. Specify which deposit type you are choosing, and make sure your diagram reflects your choice. Specify the equipment required for mining the deposit (unit operations and key auxiliary operations).
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