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Contouring on the Glen Groth farm in Plymouth County, Iowa
This photo shows contour field divisions established on a set of terraces. Slopes are 12 ti 17 percent and the terraces are broad based level. Southeast Wildwood Park is in the background. Contour farming saves water and reduces erosion by 50 per…
Contoured farmland with farm community nearby
Aerial view of contoured land with trees in lower left corner
Aerial view of contoured farmland with tractor moving along the rows
Vern Denherder's name is on the back
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