San Pedro Valley from Contention Mill, showing R.R. Crossing of the Southern Pacific of Arizona.

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Courtesy of UC Berkeley, Bancroft Library

http://www.oac.cdlib.org/ark:/28722/bk0003d2w92/?order=1

Title:

San Pedro Valley from Contention Mill, showing R.R. Crossing of the Southern Pacific of Arizona.

Creator/Contributor:

Watkins, Carleton E., 1829-1916., photographer

Date:

[1880]

Contributing Institution:

UC Berkeley, Bancroft Library