
Entrance to Mosier Twin Tunnels on the Historic hwy (HCRH), circa 1916 before the tunnels were completed and the roadway paved

Completed Mosier Twin Tunnels west entrance, circa 1922. Note the railed walkway between the two adits (windows) that still exists, but now behind the barred window openings

A view west, circa 1920, from the Mosier Twin Tunnel window showing Chicken Charlie Island (18-Mile Island), pre Bonneville dam (1938) sand bars, and no distant Hood River bridge (constructed 1926)

Similar: A view west, circa 1920, from the Mosier Twin Tunnel window showing Chicken Charlie Island (18-Mile Island), pre Bonneville dam (1938) sand bars, and no distant Hood River bridge (constructed 1926)
(Note Steamboat in middle left of photo, near the left-side bank)