David Sosa California State University, Los Angeles No description specified. 1-2 (2 Records) Documents Revisiting the Function of Humboldt Points: Reflections from the Late Prehistoric Hackney Site in Mariposa County, California (2018) A Study on Trade and Behavior through the Analysis of Exotic Lithic Debitage and Artifacts at the Tule Creek Site (CA-SNI-25), San Nicolas Island, California. (2017)