ouvrage

Ecology and silviculture of western larch forests

W. Schmidt ; R. Shearer ; A. Roe | Ogden [USA] : USDA, Forest Service, Intermountain Forest and Range Experiment Station | 1976

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rapport

Growing Colorado plants from seed : a state of the art. Vol. 1 : shrubs

K. Vories ; US Department of agriculture, Ogden UT (USA). Intermountain forest and range experiment station | Ogden [USA] : USDA, Forest Service, Intermountain Forest and Range Experiment Station | 1980

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ouvrage

Larch casebearer in western larch forests

R. Denton | Ogden [USA] : USDA, Forest Service, Intermountain Forest and Range Experiment Station | USDA For. Serv. Gen. Techn. Rep. (USA) | 1979

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congrès/colloque

Wildland Shrubs : Their Biology and Utilization

C. Mckell ; J. Blaisdell ; International Symposium (1971/07; Logan, USA) ; J. Goodin | Ogden [USA] : USDA, Forest Service, Intermountain Forest and Range Experiment Station | 1972

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