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…
Bill Young, son-in-law of Ernest Harms approaching a bromegrass waterway with a tractor. The waterway is used as a turnstrip in cultivating corn, in Underwood, Iowa.
