Mini-tapping sugar maples for sap-sugar testing
By: William J. Gabriel.
Contributors: Northeastern Forest Experiment Station (Radnor, Pa.)
Series: Research note NE -- 305.
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1982
Place of publication: [Broomall, Pa.?]
Language: eng
Subjects: Sugar maple -- Tapping
Notes: Caption title.

"27 April 1981"--P. 4.

Bibliography: p. 4.