Part of Central Wyoming
United States: U.S. Geological Survey, c. 1877. Size : 583x849 (mm), 22.95x33.43 (Inches), Coloring: Printed in Color, Category: Maps Geological; Maps United States West (States);. Size : 583x849 (mm), 22.95x33.43 (Inches), Coloring: Printed in Color, Category: Maps Geological; Maps United States West Wyoming;.