Perfect, Dallas Eugene,  1906- <br/><br/>
Physical land conditions on the Farmersburg-McGregor project, Clayton county, Iowa, 
 Farmersburg-McGregor project, Clayton County, Iowa 
D. E. Perfect ... and D. A. Sheetz ... 
 - Washington, D.C.,  [U.S. Govt. print. off.,  1942] 
 - 25 p.  illus., maps. [2 fold in pocket]  26 cm. 
 - U.S. Soil conservation service. Physical land survey  no. 28 .
 - Physical land survey  no. 28 .
<br/><br/><label>LCCN: </label>agr43000050  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land use--Iowa--Clayton County.<br/>Soil conservation--Iowa--Clayton County.
<br/><br/><label>LC Class. No.: </label>S623  / .U44 no. 28