Erosion on Joe M. Johnston's farm 10 miles NW of Knoxville in Marion County, Iowa. Every other row of corn washed out of this 40-acre field. Worked and planted up and down hill 30 to 40 tons of soil loss per acre.
Erosion on Mike Murphy's estate 5 miles East of Pleasantville in Marion County, Iowa. Silting and erosion from heavy rain on a 4% slope. Estate is maintained by John Flahive.
