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A platform for research: civil engineering, architecture and urbanism
Water control in glacial drift overlying mines at Iron River, Mich; driving of drainage drifts 15 to 20 ft below ledge; drilling of holes to glacial drift for water drainage; drainage by means of surface wells.
Water control in glacial drift overlying mines at Iron River, Mich; driving of drainage drifts 15 to 20 ft below ledge; drilling of holes to glacial drift for water drainage; drainage by means of surface wells.
Ground water control in underground mining
Min Eng
Mahon, R.C. (author)
1954
3 pages
Article (Journal)
English
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