"It is unlikely that any form of life would have evolved on earth without rivers. This informative film tells how rivers have sustained and influenced life on our planet. It shows how they shape the surface of the earth, drain the land, serve as boundaries, supply food and power, furnish water, and have made the difference between nomadic life and modern civilization." --AV-ED FIlms 1276 A: Print #2 1276 B: A-roll 1276 C: B-roll 1276 D: A-wind neg. area trk. 1276 E: interneg.