(West - Pacific Northwest) Map Of The Oregon Territory From The Best Authorities. 1849, Wilkes A foundational map for the vast Oregon Territory that stretched from present day Wyoming and the high plains, all the way to the coast and up into present day British Columbia. Based on the drainages and major mountain ranges, this includes a clear depiction of native peoples and the general place of their homeland. Condition is very good, the image being a bit light, with minor discoloration along the centerfold. Image size is approximately 8.5 x 13.25 (inches)