Source:

Warren, Claude N., Gretchen Siegler and Frank Dittmer
2008   Paleoindian and Early Archaic Periods. In Prehistoric and Historic Archaeology of Metropolitan San Diego: A Historic Properties Background Study, pp. 13-107. ASM Affiliates, Carlsbad, California.

Dates are expressed as radiocarbon years B.P. in the original. They have been converted to calendar years using Calib 6.0.