Use of the densiometer to estimate density of forest canopy on permanent sample plots
By: by Gerald S. Strickler.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note -- no. 180.; Research notes (Pacific Northwest Forest and Range Experiment Station (Portland, Or.)) -- no. 180.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1959
Place of publication: Portland, Or
Language: eng
Subjects: Forest canopies -- Density -- Measurement.; Densitometry.
Notes: Caption title.

"December 1959."

Includes bibliographical references.

Also issued online.