Creator: Johnson, A. J. (Alvin Jewett), 1827-1884
Description: Map shows Wyoming before territorial boundaries were established, counties in Nebraska, Montana, and Idaho, existing and proposed railroads, major roads, mining activity, Pony Express and U.S. Mail routes, areas of Native American habitation, military outposts, and historic routes of exploration. Shows northwestern portion of Wyoming extending beyond 110° to 113° longitudinal lines. Relief shown by hachures and spot heights. Scale [ca. 1:3,300,000].
Contributing Partner: University of Texas at Arlington Library