Results of direct seeding of ponderosa pine in the Northern Rocky Mountain Region
By: by D.G. McKeever
Series: Research note / Northern Rocky Mountain Forest & Range Experiment Station -- no. 20; Research note (Northern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)) -- no. 20.
Publisher: Northern Rocky Mountain Forest and Range Experiment Station
Published: 1942
Place of publication: Missoula, Mont
Language: eng
Subjects: Reforestation
Notes: Caption title.

"May 1, 1942."