The work of rivers

Year Published: 1935

Description: Portrays running water as the most powerful of all forces tending to alter the earth's surface. Describes the water cycle, and through stream table demonstrations, animated drawings, and natural photography, explains the growth of rivers, erosion cycle, rejuvenation, and deposition. Illustrates the formation of ox-bows, sand bars, and deltas. Shows examples of valleys, meanders, water gaps, and alluvial fans.