Estimating past diameters of several species in the ponderosa pine subregion of Oregon and Washington
By: by Benjamin Spada.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note -- no. 181.; Research notes (Pacific Northwest Forest and Range Experiment Station (Portland, Or.)) -- no. 181.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1960
Place of publication: Portland, Or
Language: eng
Subjects: Forests and forestry -- Oregon -- Mensuration.; Forests and forestry -- Washington (State) -- Mensuration.; Ponderosa pine -- Oregon.; Ponderosa pine -- Washington (State)
Notes: Caption title.

"January 1960."

Includes bibliographical references.

Also issued online.