Notes: A Simple Optical Device for Measuring Vertical Projection of Tree Crowns
Abstract:A description is given for the construction and use of an optical forest cover device which employs a one-prism periscope. Forest Sci. 19:60-62.
Document Type: News
Affiliations: Department of Biology, Wabash College, Crawfordsville, Indiana
Publication date: March 1, 1973
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