North entrance, Arch Rock Tunnel, Feather River Canyon CA
Arch Rock Tunnel is one of three tunnels built by the Works Progress Administration (WPA) along the Feather River Highway in northeast California. The tunnels were the final pieces in the construction of the Feather River highway (highway 70) by the State of California (1928-37).
Arch Rock tunnel is the southern-most tunnel of the three and the shortest. The tunnels were blasted through solid granite in and around Grizzly Dome. Rock from the tunnels was used for rock safety walls along the highway.
"Feather River Scenic Byway" by Frank Brehm at: https://www.wplives.com/frc/driving_the_canyon.php
Project originally submitted by Richard Walker on June 29, 2018.
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