Porter, H. C.  1908- <br/><br/>
Soil survey, Loudoun County, Virginia 
[by H. C. Porter and others. Correlation by W. E. Hearn and W. S. Ligon. 
 - Washington]  U.S. Dept. of Agriculture, Soil Conservation Service,  1960. 
 - iii, 118 p.  illus., maps (part fold. col.)  28 cm. 
<br/><br/> Cover title. 
<br/><br/>"Literature cited": p. 118. 
<br/><br/><label>LCCN: </label>agr61000010  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil surveys--Virginia--Loudoun County.
<br/><br/><label>LC Class. No.: </label>C1293.L5  / P6 1960