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Streamlined ventilation at sunshine
Mine is on Big Creek midway between Kellogg and Wallace, Shoshone County, Idaho; developed by 3 shafts to depth 3875 ft; description of ventilating system; extensive recent improvements, not yet completed, have more than doubled volume of air circulated underground, and reduced temperatures in lower levels 8°.
Streamlined ventilation at sunshine
Mine is on Big Creek midway between Kellogg and Wallace, Shoshone County, Idaho; developed by 3 shafts to depth 3875 ft; description of ventilating system; extensive recent improvements, not yet completed, have more than doubled volume of air circulated underground, and reduced temperatures in lower levels 8°.
Streamlined ventilation at sunshine
Min Congress J
Edgar, J. (author) / Knoerr, A.W. (author)
1940
4 pages
Article (Journal)
English
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Sunshine - Lyons at Sunshine Hospital
Online Contents | 2002
| Engineering Index Backfile | 1929
| Engineering Index Backfile | 1912
Engineering Index Backfile | 1941