The effect of turpentining on the growth of longleaf and slash pine
By: by V.L. Harper
Contributors: Southern Forest Experiment Station (New Orleans, La.)
Series: Occasional paper / Southern Forest Experiment Station -- no. 64; Occasional paper (Southern Forest Experiment Station (New Orleans, La.)) -- 64.
Publisher: USDA Forest Service, Southern Forest Experiment Station
Published: 1937
Place of publication: New Orleans, La
Language: eng
Subjects: Pine gum; Slash pine
Notes: Caption title.

"June 21, 1937."