Foth, H. D. <br/><br/>
Laboratory manual for introductory soil Science / 
H. D. Foth; L. V. Withee; H. S. Jacobs and S. J. Thien. 
 - 6th ed. 
 - Iowa :  Brown Company Publishers,  1982. 
 - vii, 143 p. ;  28 cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0697058557 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science.