American Fork Cañon [Utah] / T. H. O'Sullivan, phot.
Photograph showing mountains and log cabins below.
Title from item.
Plate 148 from: Geological Exploration of the Fortieth Parallel / United States Army Corps of Engineers; Clarence King, geologist in charge. [Washington, D.C.; 187-?].
O'Sullivan, Timothy H., 1840-1882, photographer
Library of Congress
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