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Rodolfo Elias Calles and Norman Borlaug at El CIANO
Rodolfo Elias Calles and Norman Borlaug at the CIANO wheat fields in 1955
Mr. Ezra Taft Benson, United States Agricultural Secretary visit to Chapingo.
United States Agricultural Secretary (Mr. Ezra Taft Benson) visit to Experimental Station at Chapingo in Mexico. 1955