Soils and men :  yearbook of Agriculture 1938 / 
by United States. Department of Agriculture. 
 - Washington D.C. :  U.S. Dept. of Agriculture,  1938. 
 - 1232 p. :  ill., port., maps ;  24 cm. 
 - Yearbook of agriculture   1938 .
 -  1938. Yearbook of agriculture (Washington, D.C. : 1926) ; .
<br/><br/> Includes index.  Folded col. map attached to back cover. 
<br/><br/>"Literature cited": p. 1181-1207 and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils.<br/>Soil conservation--United States.<br/>Soils--United States.
<br/><br/><label>Dewey Class. No.: </label>631.11  / SOI 1938 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / Ag84Y 1938