| Ernest Hallen Panama Canal: Lock gates under construction 1912, June Gelatin silver print George A. Smathers Libraries, University of Florida Panama Canal Museum Collection, Resource Identifier: accession number - 2002.038.056.002, System ID: PCMI006830:00001 LL/57998 This item is a work of the U.S. federal government and not protected by copyright pursuant to 17 U.S.C. §105.
| |