Pruning ponderosa and Jeffrey pine
By: William H. Hallin
Contributors: California Forest and Range Experiment Station
Series: Research note / California Forest and Range Experiment Station -- no. 115; Research note (California Forest and Range Experiment Station) -- no. 115.
Publisher: California Forest and Range Experiment Station
Published: 1956
Place of publication: Berkeley, Calif
Language: eng
Subjects: Ponderosa pine; Pruning; Jeffrey pine
Notes: Caption title.

"September 28, 1956."