Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Rock-strata gases of the Cripple creek district, Colo., and their effect on mining
General data on district; present conditions in mines, with particular reference to gas occurrences; nature of gases; relation of gas occurrences to barometric changes; daily pressure variations; oxygen depletion tests; origin of rock gases; gas control; similar gases in other districts; physiological effects; ventilation as best protection; list of 35 men, killed by rock gases in district, 1899 to 1925.
Rock-strata gases of the Cripple creek district, Colo., and their effect on mining
General data on district; present conditions in mines, with particular reference to gas occurrences; nature of gases; relation of gas occurrences to barometric changes; daily pressure variations; oxygen depletion tests; origin of rock gases; gas control; similar gases in other districts; physiological effects; ventilation as best protection; list of 35 men, killed by rock gases in district, 1899 to 1925.
Rock-strata gases of the Cripple creek district, Colo., and their effect on mining
U. S. Bur. Mines -- Bul
Denny, E.H. (Autor:in) / Marshall, K.L. (Autor:in) / Fieldner, A.C. (Autor:in) / Emery, A.H. (Autor:in) / Yant, W.P. (Autor:in) / Selvig, W.A. (Autor:in)
1930
66 pages
Aufsatz (Zeitschrift)
Englisch
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Pumping operations in Cripple Creek District, Colo.
| Engineering Index Backfile | 1937
Pumping operations in Cripple Creek District, Colo.
| Engineering Index Backfile | 1937
The Cripple creek, Colo., drainage tunnel
| Engineering Index Backfile | 1903
The mines of cripple creek, Colo
Engineering Index Backfile | 1905
Mining in Cripple creek district
| Engineering Index Backfile | 1911