Duhem & Bro. 1869-1879 The lone rock in Pleasant Park; 150 feet high [Beauties of the Rocky Mountains.]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s01575 (digital file from original photo, front) LC-DIG-stereo-2s01575 (digital file from original photo, back)
