A view of the portal courtesy Library of Congress
Date Unknown
Date unknown
1943
Edwina Antipa with daughter Susan - 1967. From the Antipa Family Slide Collection - UNR
Plat of the tunnel, date unknown
Beautiful Sutro, as envisioned.
They kept track of every day's diggings and how much material was removed. This is from the north lateral tunnel
Profile of grades
1911 map with the Tunnel thoughtfully highlighted by yours truly.
Lot's of math 'n' geometry 'n' stuff is required to dig a tunnel.
Topographical map showing the Tunnel with its proposed branches, dated 1866
Map of the Washoe District Showing Mining Claims. United States Geological Survey. Geology of the Comstock Lode, &c. Atlas Sheet III. Claims Mapped by Hoffman…
