Library of Congress Cataloging in Publication Data 
Gish, Charles D. 
Residues of DDT, dieldrin, and heptachlor in earthworms during two years 
following application. 
(Special scientific report — wildlife ; no. 241) 
Includes bibliographical references. 
1. Pesticides and wildlife. 2. Earthworms. I. Hughes, Donald L. II. Title. 
III. Title: DDT, dieldrin, and heptachlor in earthworms. IV. Title: Dieldrin, 
and heptachlor in earthworms. V. Title: Heptachlor in earthworms. VI. Series. 
SK361.A256 no, 241 [QH545.P4] 639.9’ 79’ 0973s 
[628.55]  81-15233 
AACR2 
NOTE: Use of trade names does not imply U.S, Government endorsement of commercial products. 

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