Soils of the Northeastern United States / 
edited by Robert L. Cunningham and Edward J. Ciolkosz. 
 - Pennyslvania :  he Pennsylvania State University,  1984. 
 - iii, 47 p. :  plates ;  28 cm. 
<br/><br/>Includes bib. references. 
<br/><br/> Open. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--United States, Northeastern.