The impact of soils and climate on silvicultural practices in the central Oregon pumice region
By: by Kenneth Pierson Cummings.
Published: 1976
Language: eng
Number of pages: 78
Subjects: Ponderosa pine -- Climatic factors.; Lodgepole pine -- Climatic factors.; Ponderosa pine -- Soils.; Lodgepole pine -- Soils.; Pumice.
Notes: Typescript (photocopy).

"A paper submitted to Oregon State University in partial fulfillment of the requirements for the degree of Master of Forestry, 1976."

Bibliography: leaves 65-68.