- Oregon Seed Growers League.
- Oregon. Environmental Quality Commission.
- Oregon. State Dept. of Agriculture.
- Oregon State University. Agricultural Experiment Station.
- United States. Environmental Protection Agency.
- Air pollution--Oregon--Willamette River Valley.
- Burning of land--Oregon.
- Prescribed burning--Oregon.
Additional Reference Guides
Restrictions on Access
Collection is open for research.
John R. Hardison Papers, Oregon State University Archives, Corvallis, Oregon.
This collection is not fully processed; this guide is preliminary and does not include a folder or box list.
The Hardison Papers were acquired by the Archives in 1990.
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