Pine-tree treasures
By: [by Nina Owen]
Series: Miscellaneous publication / United States Department of Agriculture -- no.       106
Publisher: U.S. Dept. of Agriculture
Published: 1931
Place of publication: Washington, D.C
Language: eng
Number of pages: 14
Subjects: Gums and resins; Turpentine; Pine
Other titles: Pine tree treasures.
Notes: Cover title.

"Issued April, 1931."