Map of Oregon, Washington, Idaho, and part of Montana.
Description:
Map shows counties, roads, cities, towns, existing and proposed railroads, mining activity, mineral resources, military outposts, notable physical features, and Yellowstone National Park. Relief shown by hachures. Scale [ca. 1:4,500,000].
Date:
1870
Creator:
Mitchell, S. Augustus, Jr. (Samuel Augustus)
Partner:
University of Texas at Arlington Library