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Blast at Bas Obispo, Sept. 19, 1907 (3/3)
"Powder used, 9,600lbs., Rock displaced 29,640 cu. yds. 72 on one side, 106 1/2 on the other. "
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1907
Gamboa Dyke
Flooding of Culebra Cut thru valve pipes. Water entering thru two pipes. Crane removing one of the valves. Oct. 1, '13
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1913
Operation of Miraflores Locks
S. S. Santa Clara in lower west chamber ready for water to be lowered to sea level. Looking north. June 19, 1914.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1914