China, aerial view of Yellow River

Airplane view of Yellow River delta region from 4000 feet altitude. August 21, 1947.Image is part of research conducted by O. J. Todd for the article: The Yellow River Reharnessed Author(s): O. J. Todd Source: Geographical Review, Vol. 39, No. 1 (Jan., 1949), pp. 38-56 Published by: American Geographical Society Stable URL: http://www.jstor.org/stable/211156http://www.jstor.org/stable/211156Grayscal