National Geographic : 1944 Jul
UcNational Geograplie Society Kodachrome U.;S.U.A. New York's Black Earth Yields Palest Celery to Match the Table Linen's Ivory andEnhance the Radish's Scarlet These workers sort and box the celery as they cut it. The crop will be washed at the shipping point. Green celery, containing more vitamins than the bleached variety, has been classified by the Government as a wartime semi-essential.