Soil-vegetation relationships withing the ponderosa pine type in the central Oregon pumice region
By: by Christen Theodore Dyrness.
Published: 1960
Language: eng
Number of pages: 217
Subjects: Ponderosa pine.; Forests and forestry -- Oregon.; Forest ecology.
Notes: Typescript.

Thesis (Ph. D.)--Oregon State College, 1960.

Bibliography: leaves 204-212.