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Richard L. Williamson

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Levels-of-growing-stock cooperative study in Douglas-fir.

by Richard L. Williamson
First published in 1976 — 3 editions
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A cooperative level-of-growing-stock study in Douglas fir

by Richard L. Williamson First published in 1965 — 3 editions
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Thinning response in 110-year-old Douglas-fir

by Richard L. Williamson First published in 1966 — 3 editions
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Results of shelterwood cutting in western hemlock

by Richard L. Williamson First published in 1976 — 2 editions
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Applicability of four regional volume tables for estimating growth response to thinning in Douglas fir

by Richard L. Williamson First published in 1982 — 2 editions
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Growth and yield records from well-stocked stands of Douglas-fir: a summary of data and analyses resulting from the oldest permanent growth plots in the Pacific Northwest

by Richard L. Williamson First published in 1963 — 2 editions
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Initial thinning effects in 70- to 150-year-old douglas-fir-western Oregon and Washington

by Richard L. Williamson First published in 1971 — 2 editions
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Response to commercial thinning in a 110-year old Douglas-fir stand

by Richard L. Williamson First published in 1982 — 1 edition
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Levels-of-growing-stock cooperative study on Douglas-fir.

by Richard L. Williamson First published in 1971 — 1 edition
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Results of shelterwood harvesting of Douglas-fir in the Cascades of western Oregon

by Richard L. Williamson First published in 1973 — 1 edition
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Estimating merchantable volumes of second growth Douglas-fir stands from total cubic volume and associated stand characteristics

by Richard L. Williamson First published in 1980 — 1 edition
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Silvicultural and economic aspects of removal of scattered overmature trees from a well-stocked pole stand in the Sitka sprucewestern hemlock type

by Richard L. Williamson First published in 1965 — 1 edition

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OLID: OL4300596A

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