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Lake asbestos of Quebec ltd dredges black lake in unusual mining project
Stripping overlying mud and sand from bed of lake to reach asbestos orebodies 70 to 200 ft below surface; more than 25 million yd of mud, sand, gravel, and boulder clay will be pumped and deposited in basin shaped area about 4 mi west of lake; 4700-ft hydraulic dam built to contain material. (see also Asbestos v 39 n 2 Aug 1957 p 2, 4, 6, 8, 10, 12; description, by C.MAMEN, in Can Min J v 77 n 12 Dec 1956 p 67-70)
Lake asbestos of Quebec ltd dredges black lake in unusual mining project
Stripping overlying mud and sand from bed of lake to reach asbestos orebodies 70 to 200 ft below surface; more than 25 million yd of mud, sand, gravel, and boulder clay will be pumped and deposited in basin shaped area about 4 mi west of lake; 4700-ft hydraulic dam built to contain material. (see also Asbestos v 39 n 2 Aug 1957 p 2, 4, 6, 8, 10, 12; description, by C.MAMEN, in Can Min J v 77 n 12 Dec 1956 p 67-70)
Lake asbestos of Quebec ltd dredges black lake in unusual mining project
Min Eng
1956
2 pages
Article (Journal)
English
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Lake asbestos of Quebec ltd dredges black lake in unusual mining project
Engineering Index Backfile | 1957
Lake asbestos of Quebec ltd dredges black lake in unusual mining project
| Engineering Index Backfile | 1956
Lake asbestos of Quebec operations
Engineering Index Backfile | 1958
Lake asbestos of Quebec operations
Engineering Index Backfile | 1958
| Engineering Index Backfile | 1947