Item #48583 THE TWENTYMILE PARK DISTRICT OF THE YAMPA COAL FILED, ROUTT COUNTY, COLORADO; GEOLOGICAL SURVEY BULLETIN 748. Marius R. Campbell.

THE TWENTYMILE PARK DISTRICT OF THE YAMPA COAL FILED, ROUTT COUNTY, COLORADO; GEOLOGICAL SURVEY BULLETIN 748

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1923. Soft cover. Item #48583

82 pages with maps, photographic plates, sectional charts and tables, plus large folded map in the rear pocket. Bound in the standard original gray stiff paper printed in black. Personal stamps on the front cover and title page. A very good copy.

Price: $20.00