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FIGURE 6. Locations of deposits in Los Angeles and Orange Counties, California that are
included in this study.

California State College, Long Beach. Ultimately, Ewing recovered more than 2,787 artifacts

from the excavations, including forty-five sherds (Bates 1972). Ewing and students excavated the

sherds at a depth of 53 to 61cm from the surface of the deposit (Bates 1972).

Bates (1972) summarized the excavation and findings from CA-LAN-270. Radiocarbon

analysis on marine shell suggest that the location was occupied 810-700 BP uncal (Boxt and

Dillon 2013). This date is consistent with the material found during excavation that shows the

location was occupied during late prehistory and is identifiable as a “Late Horizon” occupation.

Bates (1972) suggests that the occupation also included post-contact activity, though no historic

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