Increased yield of turpentine and rosin from double chipping
By: by A.W. Schorger and R.L. Pettigrew
Contributors: Pettigrew, Robert Leslie, 1893-
Series: Bulletin / United States Department of Agriculture -- no. 567; Bulletin of the U.S. Department of Agriculture -- no. 567.
Publisher: U.S. Dept. of Agriculture
Published: 1917
Place of publication: Washington, D.C
Language: eng
Subjects: Turpentine; Gums and resins
Notes: Caption title.

"October 2, 1917."

"Professional paper."