
Clay near Polk
Clay between Polk and Van Ness. Mr. Hallidie (Andrew Smith-Halladie) on the Platform. This line was not open until Nov 1873. Clay St. Hill RR Co. Car # 7. Watkins' stereo card of this shot bears this legend: "Clay Street Hill R.R., San Francisco, Cal [California]. Run by A.S. Hallidie's patent Endless Steel Wire Rope and Gripping Attachment. Overcomes an Elevation of 307 feet in a length of 2800 feet. Watkins' Pacific Coast. 2370"
Polk Gulch