Yellowstone National Park, Northern Pacific Railroad
Relief. Available also through the Library of Congress Web site as a raster image. National Park Exhibit, 1972.
united states↗
Historical collections
Research about wyoming
Source-linked reports with geographic coverage including wyoming.
Cram's township and railroad map of Wyoming
Shows relief by hachures, drainage, cities and towns, townships and counties, roads, and railroads distinguished by name and number.
united states↗