Antique original Julius Bien & Co. lithograph map published in the "TWENTIETH  ANNUAL REPORT OF THE UNITED STATES GEOLOGICAL SURVEY, 1898-99. CHARLES D. WALCOTT, DIRECTOR", 1900. Titled. Plate XXXII. "GEOLOGY OF MINERAL HILL MINING DISTRICT HAILEY IDAHO". Measures approx. 14.5X11.25 inches. Excellent condition. This is an original antique NOT a reproduction. Items are shrink wrapped on acid free backing and mailed flat. 30-day return policy for any reason.