Three Antique original photograph illustrations. Titled, PL. LIX. "LA MESA RESERVOIR: BEGINNING OF THE CONSTRUCTION OF HYDRAULIC-FILL DAM", PL. LXI. "VIEW OF FINISHED DAM AND WASTEWAY OF LA MESA RESERVOIR", & PL. LX. "CONSTRUCTION OF HYDRAULIC DAM, LA MESA RESERVOIR, ILLUSTRATING THE METHOD OF SUSPENDING PIPES". Published in The U.S. Geological Survey Eighteenth Annual Report, 1897. Measures approx. 7.25, 7.25x11.25 inches. Very good + 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.