congrès/colloque

Balancing ecosystem values: innovating experiments for sustainable forestry

C. Peterson, Editeur scientifique ; USDA United States Department of Agriculture, Portland DR (USA). Forest Service ; D. Maguire, Editeur scientifique ; International Workshop (2004/08/15-20; Portland OR, USA) | Portland [USA] : USDA | USDA Forest Service General Technical report (USA) | 2005

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ouvrage

Natural végétation of Oregon and Washington

J. Franklin ; C. Dyrness ; US Department of agriculture, Portland OR (USA). Pacific northwest forest and rangeexperiment station | Portland [USA] : USDA | 1973

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Disponible pour le prêt

ouvrage

Seedling identification for 25 conifers of the Pacific Northwest

J. Franklin ; US Department of Agriculture Forest Service, Portland, OR (USA). Pacific Northwest Forest and range Experiment Station | Portland [USA] : USDA | 1961

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congrès/colloque

The forest ecosystem of southeast Alaska : Forest ecology and timber management

A. Harris ; W. Farr ; USDA United States Department of Agriculture, Portland OR (USA). Pacific Northwest Forest and Range Experiment Station | Portland [USA] : USDA | 1974

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