Ernest Hallen
1910, 6 January
30G. Steam Shovel Excavating in Upper Miraflores Lock Site. Jan 6, 1910.

Gelatin silver print
George A. Smathers Libraries, University of Florida
Panama Canal Museum Collection, Resource Identifier: accession number - 2014.39.1, System ID: AA00020275:00001
 
LL/58002