[1] Age, extent, and climatic significance of the c. 3400 BP Aniakchak tephra, western Alaska, USA, 1992

Beget, James, Mason, Owen, and Anderson, Patricia, 1992, Age, extent, and climatic significance of the c. 3400 BP Aniakchak tephra, western Alaska, USA: The Holocene, v. 2, n. 1, p. 51-56.

[2] Late Pleistocene environments of the western Noatak basin, northwestern Alaska, 1999

Elias, S. E., Hamilton, T. D., Edwards, M. E., Beget, J. E., Krumhardt, A. P., and Lavoie, C., 1999, Late Pleistocene environments of the western Noatak basin, northwestern Alaska: Geological Society of America Bulletin, v. 111, p. 769-789.