Sheet and rill erosion in Iowa, USA.
Severe sheet and rill erosion on highly erodible soils in Cass County, Iowa after heavy rains. The field had no protection against soil erosion.
Image Credit: Lynn Betts, USDA-NRCS, 1999 http://photogallery.nrcs.usda.gov/netpub/server.np?find&catalog=catalog&template=detail.np&field=itemid&op=matches&value=2959&site=PhotoGallery