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Title: Binoculars with mil scale as a training aid for estimating form class
Author: Camp, J.R., H.W. H.W.; Bickford, C.A.;
Source: Station Paper NE-32. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 11 p.
Publication Series: Science Perspectives (SP)
Description: In an extensive forest inventory, estimates involving personal judgment cannot be eliminated. However, every means should be taken to keep these estimates to a minimum and to provide on-the-job training that is adequate for obtaining the best estimates possible.
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Camp, J.R., H.W.; Bickford, C.A. 1949. Binoculars with mil scale as a training aid for estimating form class. Station Paper NE-32. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 11 p.
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