1. Geomorphology and soils, Willamette Valley, Oregon;Balster;Ore. Agric. Exp. Sta. Spec. Rept.,1968
2. Late Pleistocene stratigraphy, southern Willamette Valley, Oregon;Balster;Northwest Sci.,1969
3. The Willamette Sound;Condon,1910
4. Dayton — a depositional Planosol, Willamette Valley, Oregon;Parsons,1967
5. Soil development and geomorphic surfaces, Willamette Valley, Oregon;Parsons,1970