Day, Robert W. <br/><br/>
Soil testing manual :  procedures, classsification data, and sampling practices / 
Robert W. Day 
 - New York :  McGraw-Hill Book company,  2001 
<br/><br/><label>ISBN: </label>0071363637 9780071363631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils-Sampling-Handbook<br/>Soil-Testing-Handbooks
<br/><br/><label>Dewey Class. No.: </label>624.1514  / DAY