Map of the Oregon Territory by the U.S. Ex. Ex., 1849, Wilkes Ex - Africa Published as a supplement in

Published as a supplement in the Harpers Weekly of Feb 19

Johnston produced maps that were current to the changing world of the time

A large thematic map derived from the great Alexander Von Humboldt

Kansa in Maps

Map of the Oregon Territory by the U.S. Ex. Ex., 1849, Wilkes Ex - Africa Published as a supplement inWilkes map was a substantial improvement over the Hood map. Wheat was to call the map "quite extraordinary" although it is based largely on secondary sources. In fact a printed note on the map states "The northern part of this Map contains the latest information of the Hudson Bay Company, and the Eastern part, that of Lieut. Fremont". It was for several years the best available map of the interior of Oregon. Shows the tribes of the West, with