Some causes of natural tree mortality in old-growth ponderosa pine stands in western Montana
By: Philip C. Johnson.
Contributors: Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: USDA Forest Service research note INT -- 51.; Research note INT -- 51.
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station
Published: 1966
Place of publication: Ogden, Utah
Language: eng
Subjects: Ponderosa pine -- Diseases and pests -- Montana; Ponderosa pine -- Climatic factors -- Montana; Ponderosa pine -- Montana
Notes: Caption title.

Includes bibliographical references.