A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Mining methods and costs, regal asbestos mine, jaquays mining corp, gila county ariz
Chrysotile asbestos deposit is found in Precambrian limestone which has been intruded and fractured by diabase sills and dikes; mining methods are highly selective; methods of exploration and prospecting; milling operation; extraction ratio of various grades of fiber; ventilation and mine drainage; safety practices.
Mining methods and costs, regal asbestos mine, jaquays mining corp, gila county ariz
Chrysotile asbestos deposit is found in Precambrian limestone which has been intruded and fractured by diabase sills and dikes; mining methods are highly selective; methods of exploration and prospecting; milling operation; extraction ratio of various grades of fiber; ventilation and mine drainage; safety practices.
Mining methods and costs, regal asbestos mine, jaquays mining corp, gila county ariz
US Bur Mines -- Information Cir
Stewart, L.A. (author)
1961
58 pages
Plate, Map
Report
English
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