Ernest Hallen
1912, June
Panama Canal: Lock gates under construction

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
 
This item is a work of the U.S. federal government and not protected by copyright pursuant to 17 U.S.C. §105.
 
LL/57998
 
XL