Subject
- Groundwater flow -- Oregon -- H.J. Andrews Experimental Forest1
- Soils -- Carbon content -- Oregon -- H.J. Andrews Experimental Forest1
- Soils -- Composition1
- Soils -- Nitrogen content -- Oregon -- H.J. Andrews Experimental Forest1
- Soils -- Organic compound content -- Oregon -- H.J. Andrews Experimental Forest1
- Water -- Organic compound content -- Oregon -- H.J. Andrews Experimental Forest1
- Watershed hydrology -- Oregon -- H.J. Andrews Experimental Forest1