| Duhem & Bro. The lone rock in Pleasant Park; 150 feet high [Beauties of the Rocky Mountains.] 1869-1879 Stereoview, back 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) LL/108409
| |