Smith, C. N. <br/><br/>
Transport of agricultural chemicals from small upland piedmont water sheds / 
by C. N. Smith and G. W. Bailey 
 - Washington, D.C. :  U.S. Government Printing Office,  1978 
 - xxi, 364 p. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural chemicals--United States<br/>Food adulteration and inspection--United States
<br/><br/><label>Dewey Class. No.: </label>631.80973