Mount Crocker, looking south from Lake Flora (crater of an extinct volcano) on Mount Volcano, Summit Valley.

Grading the Central Pacific Railroad. The cut at Owl Gap, Placer County.

Looking out of the tunnel at Livermore Pass, Alameda County, Western Pacific Railroad.

The Summit Tunnel, 1,200 feet long, Livermore Pass, Alameda Co. looking through, Western Pacific Railroad.

View of the trestle work of San Antonio Creek, Western Pacific Railroad.

Western Pacific Railroad Pier, San Francisco Bay, looking from the ferry landing towards Oakland.

Train rounding Cape Horn, view from the valley, 1,400 feet below.

Train rounding Cape Horn, view from the valley, 1,400 feet below.