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U. S. DEPARTMENT OF AGRICULTURE.
FARMERS' BULLETIN 297.
METHODS OF DESTROYING RATS.
BY
DAVID E. LANTZ,
Assistant, Bureau of Biological Survey.
LETTER OF TRANSMITTAL.
CONTENTS.
ILLUSTRATION.
METHODS OF DESTROYING RATS.
INTRODUCTION.
METHODS OF DESTROYING RATS.
POISONING.
TRAPPING.
USE OF FERRETS AND DOGS.
FUMIGATION.
RAT-PROOF CONSTRUCTION.
NATURAL ENEMIES OF RATS.
CONCLUSIONS.
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