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1
Mice and voles prefer spruce seeds : study in Maine suggests an explanation for the predominance of balsam fir seedlings in regeneration /
by Abbott, Herschel G. (Herschel George), 1921-
Upper Darby, Pa. : Northeastern Forest Experiment Station, 1960

Government Document Book
2
Forest insect and disease laboratory : Hamden Connecticut /
Hamden, Conn. : U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1975

Government Document Book
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