R.H. Kern Black Canyon lithograph of the first canyon where Gunnison River meets the top of the Black Canyon Colorado, 1853 Head of the First Canyon of Grand River below the mouth of COO-CHE-TO-PA Creek, Collection of HACB

R.H. Kern Dillon Pinnacles above the Grand (Gunnison) River lithograph Gunnison Valley, Colorado 1853 View of Ordinary Lateral Ravines on the Grand River from Camp September 3rd, HACB

Friedrich Wilhelm von Egloffstein lithograph Colorado, 1853 drawing in the 1853 USSPRS and Expedition Report Collection of HACB