It is the earliest expedition to reach up the Colorado River and investigate its unknown course in what was then Mexico
*** Condition: Text volumes: Light rubbing and edge wear
(Thematic) Mountains & Rivers
and shows the many bridges and tunnels that cross the Hudson and East River
Overall image size is approximately 6 x 8 (inches)
(West) "Map Of An Exploring Expidition To The Rocky Mountains in 1842... Saturn It is the earliest expedition(West) "Map Of An Exploring Expidition To The Rocky Mountains in 1842 And to Oregon & North California in 1843, 44", The Weekly Herald, October 18, 1845 A dramatic front page featuring the news with a prominent depiction of the Fremont Preuss map, and two illustrations of scenes for "Chimney Rock", and "Fort Laramie". The map indeed spans from the mouth of the Missouri River in the east, all the way to the "Walahmutte Settlement" in Oregon Territory,