Biblio
Reducing Lead Hazard in Gardens and Play Areas. Corvallis, OR: Oregon State University Extension Service, 2016.
, , Range Research Areas in the Western United States, vol. 671. Agricultural Experiment Station, Oregon State University, 1988.
, Range Research and Range Problems: Range Forage and Animal Nutrition, 125th ed. Crop Science Society of America, 1973.
, Range Field Day Annual Report 2000: Sustainable Livestock Production in Forested and Intermountain Rangelands, vol. 1018. Agricultural Experiment Station, Oregon State University, 2000.
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