RESIDUES OF DDT, DIELDRIN, AND HEPTACHLOR IN 
EARTHWORMS DURING TWO YEARS FOLLOWING 
APPLICATION 
By Charles D. Gish 
Donald L. Hughes 

UNITED STATES DEPARTMENT OF THE INTERIOR 
FISH AND WILDLIFE SERVICE 
Special Scientific Report — Wildlife No. 241 
Washington, D.C. ° 1982 
“iii” 
