Records of the United States Information Agency. By an unkown photographer, July 18, 1928. Mr. and Mrs. Hoover paid a visit to President and Mrs. Coolidge at the Summer White House, Brule, Wisconsin. Herbert Hoover Presidential Library. By Lewis Hine, 1930.
Many structural workers are above middle-age.
Records of the Work Projects Administration. By an unknown photographer, ca. Alonzo Bankston is a furnace operator in the TVA plan producing carbide for use in plants manufacturing synthetic rubber. Records of the Office of War Information. Franklin D. Roosevelt Library.