Smithsonian Report. 1939. — McAtee 



Plate l 



Courtesy Soil Conservation Service. 



1. Gully Eating Up Good Tama Silt Loam. 

 Almost a desert for wildlife. Marion County, Iowa. 



2. Same Gully 2 Years Aftlrvvard. Stabilized With Trees, Shrubs. 



AND Grasses. 



An easis for wildlife. 



revegetating eroded areas contributes to balance 



