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Filtering by: Creator Warthesen, Joseph John Non-Academic Affiliation Oregon State University. Agricultural Experiment Station

Measuring trees : trees and logs, cruising the woodland, size specifications, volume t...

Common insect and mite galls of the Pacific Northwest

Timber harvesting options [1975]

Riparian and watershed management in the interior northwest : an interdis[ci]plinary p...

Mineral feeds

The ticks of Oregon

The western pine bark-beetle : a serious pest of western yellow pine in Oregon

Bark-beetles infesting the Douglas fir

The strawberry root-weevils and their control in Oregon

Surplus wheat feeding experiments in Oregon

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