STUDY OF THE VENTILATION PROBLEM OF THE NORTH END MINES OF THE COMSTOCK
Dates
Info Date
1914
Summary
APPROXIMATELY LOCATED IN OR AROUND THE COMSTOCK MINING DISTRICT; ENGINEERING REPORT; CROSS SECTIONS; SITE NAME: WORKINGS: SIERRA NEVADA, UNION, OPHIR, MEXICAN, CON-VIRGINIA, C AND C SHAFT, SUTRO TUNNEL; AUTHOR: LIDDELL, C.A.
Summary
APPROXIMATELY LOCATED IN OR AROUND THE COMSTOCK MINING DISTRICT; ENGINEERING REPORT; CROSS SECTIONS; SITE NAME: WORKINGS: SIERRA NEVADA, UNION, OPHIR, MEXICAN, CON-VIRGINIA, C AND C SHAFT, SUTRO TUNNEL; AUTHOR: LIDDELL, C.A.