Issued May 31, 1907.
U. S. DEPARTMENT OF AGRICULTURE.
FARMERS' BULLETIN 297.
METHODS OF DESTROYING RATS.
BY
DAVID E. LANTZ,
Assistant, Bureau of Biological Survey.
WASHINGTON:
GOVERNMENT PRINTING OFFICE.
1907.
Issued May 31, 1907.
WASHINGTON:
GOVERNMENT PRINTING OFFICE.
1907.