Flood water on A.H. Jennings' farm 6 miles N. of Knoxville, Iowa. Uprooted trees washed from the river bank into 170-acre cultivated field that yielded 70 to 75 bushels per acre in 1943.
Contoured watershed on L.C. Shivvers' farm in Knoxville, Iowa. Farm maintained by Leo Goad and Howard Shannon. This 50 - acre cornfield received 3 - inch rains in 8 days. No washing. Contouring and grassed waterway shown in the foreground of the…
