Decay of Sitka spruce with reference to detection of extent of actual decay beyond apparent incipient decay
By: by Earl Haven Tryon.
Published: 1940
Language: eng
Number of pages: 40
Subjects: Sitka spruce.; Spruce -- Diseases and pests.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1940.

Bibliography: leaves 39-40.