Rio Colorado Geologic 1858 Map Frame:Black or Lake Trout

or Lake Trout

or Oil Shark

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

this map of Mexico City was a general plan of administrative divisions

or Bewick's Wren

Rio Colorado Geologic 1858 Map Frame:Black or Lake TroutThis 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.