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Incoming Resources
- Environmental changes in the Tule Lake Basin, Siskiyou and Modoc counties, California, from 3 to 2 million years before present, by David P. Adam, J. Platt Bradburry, Hugh J. Rieck, and Andrei M. Sarna-Wojcicki
- Palynology of two upper Quaternary cores from Clear Lake, Lake County, California, by David P. Adam ; with a section on dating by Stephen W. Robinson