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o eugene hickman
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Seasonal trends in the nutritive content of important range forage species near Silver Lake, Oregon
O. Eugene Hickman · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
32 sayfa · 1975
Nutrition / Forage / Research
Plant checklist for range and forest inventories in southwestern Oregon (eastern Siskiyous and southern Cascade Mountains)
O. Eugene Hickman · Dept. of Rangeland Resources, Oregon State University
97 sayfa · 1991
Range plants / Forest surveys / Forests and forestry