Description: [caption id="" align="aligncenter" width="413" caption="Francisco "Chi Chi" Vitola, chief of labor force on for the Canal Zone Biological Area (CZBA), feeds a deer on Barro Colorado Island in the Panama Canal Zone, The CZBA was transferred to the Smithsonian in 1924 and in 1946 was renamed the Smithsonian Tropical Research Institute, c.1940, by Unidentified photographer,
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