Seed crops of forest trees in the pine region of California
By: by H.A. Fowells and G.H. Schubert.
Contributors: Schubert, Gilbert Herman, 1915-
Series: Technical bulletin / United States Department of Agriculture ;; no. 1150; Technical bulletin (United States. Dept. of Agriculture) ;; no. 1150.
Publisher: U.S. Dept. of Agriculture
Published: 1956
Place of publication: Washington
Language: eng
Number of pages: 48
Subjects: Pine -- Seeds -- California.; Fir -- California.
Notes: Literature cited: p. 47-48.
Caption title.