| Unidentified photographer 511-K50 - Floating Crane "Hercules" transferring equipment across Gatun Locks from east side. Looking south. April 10, 1915. 1915, 10 April Photograph George A. Smathers Libraries, University of Florida Panama Canal Museum Collection, Resource Identifier: accession number - 2001.023.060.001, System ID: AA00011399:00001 LL/58011
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