aerial photo scale-protractor
Subtitle: 1:8,500 to 1:3,500 scales
By: Vernon J. LaBau.
Contributors: Northern Forest Experiment Station (Juneau, Alaska)
Series: Research note NOR -- 11.
Publisher: U.S. Forest Service, Northern Forest Experiment Station
Published: 1965
Place of publication: Juneau, Alaska
Language: eng
Subjects: Aerial photography in forestry -- Alaska
Notes: "October 1965"--p. [1].

"GPO 989-387"--p. [2].

Includes bibliographical references.