Rio Colorado Geologic 1858 Map Frame:Black Just the natural beauty of

Just the natural beauty of the landscape (plus the Pacific Crest Trail and Pacific Northwest Trail) represented in exquisite detail

or Lake Trout

Originally published in the 1884 edition of the "The Fisheries and Fishery Industries of the United States"

Principal Draughtsman G

Rio Colorado Geologic 1858 Map Frame:Black Just the natural beauty ofThis beautiful map was the result of an exploration under the direction of the Office of Explorations and Surveys headed by 1st. Lieut. Joseph C. Ives in 1858. The map was drawn by Frhr. F. W. v. Egloffstein, the topographer to the expedition, who used a unique engraving process that resulted in the stunning rendering of the topographic features.