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Comparison of Height-Accumulation Volumes Using the Spiegel Relaskop and Wheeler Pentaprism

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Height-accumulation data were collected using the Spiegel Relaskop and the Wheeler Pentaprism. Mean tree volumes calculated for the instruments mounted on a tripod were not significantly different. When the instruments were held by hand, however, mean Pentaprism and mean Relaskop volumes differed significantly. Mean volumes for tripod-mounted and hand-held Relaskops differed significantly as well. Volumes of individual trees varied widely with the different instrument-support combinations. Time was saved with the Relaskop.
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Document Type: Journal Article

Affiliations: Professor, Division of Forestry, West Virginia University, Morgantown

Publication date: 1979-11-01

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