Tapholes drilled into frozen sugar maples close slowly /

Bibliographic Details

Main Author:	Walters, Russell S.
Corporate Authors:	United States. Forest Service, Northeastern Forest Experiment Station (Radnor, Pa.)
Format:	Government Document Book
Language:	English
Published:	Broomall, Pa. : Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1978.
Series:	NE-RN ; 265.
Subjects:	Maple sugar. Sugar maple.