Weir, Wilbert Walter,  1882- <br/><br/>
Productive soils 
[by] Wilbert Walter Weir. Edited by R. W. Gregory. 
 - Chicago,  Philadelphia [etc.]  J.B. Lippincott company  [1946] 
 - vii, 325 p.  illus. (incl. diagrs.) col. pl., maps.  21 cm. 
<br/><br/> On cover: Revised.  "Fifth edition." 
<br/><br/><label>LCCN: </label>agr46000318  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils.
<br/><br/><label>LC Class. No.: </label>S591  / .W4 1946