Tapholes drilled into frozen sugar maples close slowly
By: Russell S. Walters
Contributors: Northeastern Forest Experiment Station (Radnor, Pa.); United States. Forest Service
Series: Forest Service research note NE -- 265; Forest Service research note NE -- 265.
Publisher: Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1978
Place of publication: Broomall, Pa
Language: eng
Subjects: Maple sugar; Sugar maple
Notes: Includes bibliographical references (p. 4).