Variations in naval-stores yields associated with weather and specific days between chippings
By: by V.L. Harper and Lenthall Wyman.
Contributors: Wyman, Lenthall, b. 1888.; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 510; Technical bulletin (United States. Dept. of Agriculture) -- no. 510.
Publisher: U.S. Dept. of Agriculture
Published: 1936
Place of publication: Washington
Language: eng
Number of pages: 35
Subjects: Naval stores.; Gums and resins.
Notes: Caption title.

Literature cited: p. 34.