Sassaman, Robert W. - Biodiversity Heritage Library

Economics of thinning stagnated Ponderosa pine sapling stands in the pine-grass areas of central Washington

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By: Sassaman, Robert W. - Barrett, James W. (James Willis), - Smith, Justin G. (Justin Gardner),

Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1972

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

Economics of thinning stagnated ponderosa pine sapling stands in the pine-grass areas of central Washington

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By: Sassaman, Robert W. - Barrett, James W. (James Willis), - Smith, Justin G. (Justin Gardner), - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Edition: Rev.

Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1973

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

Financial precommerical thinning guides for northwest ponderosa pine stands

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By: Sassaman, Robert W. - Barrett, James W. (James Willis), - Twombley, Asa D. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - United States. Forest Service.

Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1977

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

Logging to save ponderosa pine regeneration : a case study

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By: Barrett, James W. (James Willis), - Tornbom, Stanley S. - Sassaman, Robert W.

Publication info: Portland, Or, U.S. Dept. of Agriculture Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976

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