Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Deep mining on witwatersrand
Problems arising out of temperature and humidity; economic value of increase of 2500 ft in vertical depth of mining zone; aspects meriting further investigation. Extracts from paper before Chem, Met and Min Soc S Africa. (See also S African Min and Eng J v 46 pt 11 n 2226 and 2228 Sept 28 1935 p 99 and 101 and (discussion) Oct 12 p 172-3)
Deep mining on witwatersrand
Problems arising out of temperature and humidity; economic value of increase of 2500 ft in vertical depth of mining zone; aspects meriting further investigation. Extracts from paper before Chem, Met and Min Soc S Africa. (See also S African Min and Eng J v 46 pt 11 n 2226 and 2228 Sept 28 1935 p 99 and 101 and (discussion) Oct 12 p 172-3)
Deep mining on witwatersrand
S African Min Rev
1935
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1935
Engineering Index Backfile | 1946
Review of underground support on witwatersrand with its bearing on problem of ultra deep mining
| Engineering Index Backfile | 1945
Review of underground support on Witwatersrand with its bearing on problem of ultra deep mining
| Engineering Index Backfile | 1944
Typical magnetic anomalies of lower-Witwatersrand shales and younger Dykes in Witwatersrand
| Engineering Index Backfile | 1936