Seaholm, James E. <br/><br/>
Soil survey of Wapello County, Iowa. 

 - Washington, D.C. :  United States Department of Agriculture, Soil Conservation Service,  1981. 
 - ix, 250 p., 63 folded p. of plates :  ill., maps (1 col.) ;  28 cm. 
<br/><br/> Cover title.  "In cooperation with Iowa Agriculture and Home Economics Experiment Station, Cooperative Extension Service, Iowa State University, and Department of Soil Conservation, state of Iowa."  "Issued March 1981"--P. iii.  Item 102-B-15 
<br/><br/>Bibliography: p. 151. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Maps.--Iowa--Wapello County<br/>Soil surveys--Iowa--Wapello County.
<br/><br/><label>Dewey Class. No.: </label>631.4777793