5000

Grizzly Hill Tunnel Stereoview from C.P.R.R. Series (CA) [145738]

Currency:USD Category:Collectibles Start Price:50.00 USD Estimated At:100.00 - 400.00 USD
Grizzly Hill Tunnel Stereoview from C.P.R.R. Series (CA) [145738]
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[?]Live Online Auction Starts In 2025 Nov 04 @ 08:00 (UTC-07:00 : PDT/MST)
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Stereoview from the Central Pacific Railroad series titled, "Grizzly Hill Tunnel from the North", 500 feet long. The Grizzly Hill Tunnel was the first one necessary to build the Central Pacific Railroad and it was built in 1865. The location was 77 miles east of Sacramento, just east of Cisco. The next tunnel built was the Emigrant Gap tunnel at the 84 mile mark. Both were built using black powder. Ultimately, to get to the Comstock and to Reno, ten more tunnels would need to be built. These tunnels were so difficult to dig that Leland Stanford tried experimenting with nitroglycerin explosives. After 2,000 nitroglycerin insertions in the west tunnel, Crocker resisted using any more efforts to use it. It was eight times more powerful to blast, but extremely unpredictable. The tunnels were then built with black powder and Chinese labor (Promontory, the Golden Spike, 1869). Some wear to the mount, but the views are clear.
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Date:
Country (if not USA):
State: California
City: Cisco
Provenance: