western end). © 2004. Matthew Trump. Primary source: NASA? Secondary source: http://en.wikipedia.org/wiki/Image:Wpdms_nasa_topo_oregon_trail.jpg English...
DescriptionWpdms nasa topo oregon trail1.jpg English: Laramie Mountains in purple and Oregon Trail Date 8 August 2008 Source Own work Author Rudolf Pohl...
DescriptionWpdms nasa topo sweetwater river wyoming.jpg English: Sweetwater River © 2004 Matthew Trump en:Category:United States history images Date 21...
