General map of the United States & their territory between the Mississippi & the Pacific Ocean. 1. Showing the different surveyed routes from the Mississippi valley to the coast of Pacific Ocean, 2. the new established & proposed Post Routes, 3. the recently discovered gold, silver, and copper region in Kansas, Nebraska and Arizona
Gold mines are indicated in yellow and silver mines in blue. Indicates post routes, "old trail," finished and unfinished railroads, and the proposed state of "Colona."
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