Schacht, Robert A. <br/><br/>
Pesticides in the Illinois waters of lake Michigan / 
by  Robert A. Schacht 
 - Washington, D.C. :  United States Environmental Protection Agency,  1974 
 - viii, 55 p. ;  ill. ;  27 cm. 
 - Ecological research series .
<br/><br/> EPA-660/3-74-002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pesticides--Michigan
<br/><br/><label>Dewey Class. No.: </label>668.6509774