Table 1

Rice Ridge (49-KOD-363) chronology for Excavation Units 2, 3, 5, 6, following Kopperl (2012).

Time Period		Strata	cal. BC	cal. BP	Duration of Occupation
Local	Regional	Strata	cal. BC	cal. BP	Duration of Occupation
Early	Ocean Bay I	K, J, I, H, G	5090-4780	7040-6730	~310 years
Middle	Ocean Bay I	F, E, D, C	3910-3770	5860-5720	~ 140 years
Late	Ocean Bay II	B, A	2960-2370	4910-4320	~ 590 years

Note: Kopperl (2012:26–27) reported age ranges at both 1-sigma and 2-sigma, with calibrated age-estimate curves of radiocarbon dates generated by OxCal 4.1 (Bronk Ramsey 2009).