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Growth and yield of western hemlock in the Pacific Northwest following thinning near the time of initial crown closing

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By: Hoyer, Gerald E. - Swanzy, Jon D. - Pacific Northwest Research Station (Portland, Or.)

Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1986

Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Tree form quotients as variables in volume estimation

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By: Hoyer, Gerald E. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985

Holding Institution: U.S. Department of Agriculture, National Agricultural Library