Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ground water control in underground mining
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
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. (Autor:in)
1954
3 pages
Aufsatz (Zeitschrift)
Englisch
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