Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Development of water supplies from two abandoned mine shafts at Draycott Cross and Shaffalong, England; demolishing old brickwork; placing new brickwork lining with weepholes where water can percolate into shaft; boreholes 2 in. in diam down to 100 ft below bottom of shaft yielded additional 4000 gph; analysis of mine water. (See also - discussion p 134-7)
Development of water supplies from two abandoned mine shafts at Draycott Cross and Shaffalong, England; demolishing old brickwork; placing new brickwork lining with weepholes where water can percolate into shaft; boreholes 2 in. in diam down to 100 ft below bottom of shaft yielded additional 4000 gph; analysis of mine water. (See also - discussion p 134-7)
Water supply from mine shafts
Instn Min Engrs -- Trans
Brown, C.V. (Autor:in)
1954
16 pages
4 Supp Plates
Aufsatz (Zeitschrift)
Englisch
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