With 31 lithographed maps, sections & profiles, most in color, 12 double-page. (Folio) 50.5x44 cm (20x17½"), rebound in modern black cloth, lettered in gilt on front. First Edition.
Important geologic atlas of the Leadville mining district with sections showing the numerous mines, issued by the United States Geological Survey; the maps are lithographed by Julius Bien & Co., New York.
Due to the size and/or weight of this lot extra charges may apply.