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Groundwater --- Petrology --- Hydrogeology --- Oregon
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Experiments --- Food --- Forest animals --- Research --- Rodents --- Oregon
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Forests and forestry --- Mensuration --- Oregon --- Washington
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Forest thinning --- Growth --- Lodgepole pine --- Ponderosa pine --- Spacing --- Trees --- Oregon
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Geology --- Mines and mineral resources --- Spring Basin Wilderness (Or.) --- Oregon
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Floods --- Harney Lake (Or.) --- Malheur Lake (Or.) --- Oregon
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Mines and mineral resources --- Hawk Mountain Wilderness (Or.) --- Oregon
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Appropriations and expenditures --- Coastal Oregon Productivity Enhancement Program --- Coastal zone management --- Expenditures, Public --- Reforestation --- Research --- Riparian ecology --- Oregon --- Pacific coast
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Appropriations and expenditures --- Coastal Oregon Productivity Enhancement Program --- Coastal zone management --- Expenditures, Public --- Forest management --- Research --- Riparian ecology --- Oregon --- Pacific coast
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