Photo Interpretation Aids for Timber Surveys

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Aerial photographs are now used by many foresters as substitutes for maps, or to reduce field work on forest mapping projects. This article describes several inexpensive devices that simplify photo interpretation. These aids, or similar ones, are used by technicians on several extensive forest surveys. Rangers and others, who may refer to photographs only occasionally, should also find that the aids are useful pocket-sized additions to their field equipment.

Document Type: Journal Article

Affiliations: Division of Forest Economics, Pacific Northwest Forest and Range Experiment Station, Portland, ore. Senior member, S.A.F.

Publication date: January 1, 1948

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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