Frost damage to red pine conelets
By: [John S. Hard]
Series: Research note LS / Lake States Forest Experiment Station -- 5; Research note LS -- 5.
Publisher: Lake States Forest Experiment Station, U.S. Dept. of Agriculture
Published: 1963
Place of publication: St. Paul, Minn
Language: eng
Subjects: Pine cones; Frost damage; Red pine
Notes: Caption title.

"January 1963"--P. [1].

Includes bibliographical references.