Table 1.

Chronometric results for Powars II (stratum 2, component 1)

FS No.	P code	Percent collagen yield	C:N	Percent C	Percent N	δ13C (‰)	δ15N (‰)	Lab No.	Date (B.P.)	±	cal B.P. (range at 95.4% CI)	cal B.P. (median)
889	AG	0.8	3.4	42.3	14.7	−19.2	5.6	OxA-37783	10,360	55	12,480–11,945	12,225
897	AG	2.2	3.4	41.5	14.4	−12.9	5.8	OxA-37784	10,300	50	12,465–11,830	12,080
962	AG	1.2	3.3	42.1	14.9	−11.3	10.1	OxA-37785	10,295	50	12,460–11,830	12,065
1070	AG	2.8	3.3	41.5	14.5	−17.5	4.1	OxA-37881	10,420	55	12,610–12,000	12,300
1072	AG	2.2	3.3	41.2	14.4	−17.6	4.1	OxA-37882	10,515	50	12,690–12,195	12,545
1079	AG	1.9	3.3	40.5	14.1	−18.2	6.5	OxA-37883	10,640	55	12,735–12,495	12,665
1331	AG*	4	3.3	31	11.1	−17.4	4.2	Oxa-41127	10,336	39	12,465–11,940	12,160
1496	AG*	2.7	3.2	33	11.8	−17.8	4.5	Oxa-41128	10,429	38	12,605–12,095	12,315
1400	AG*	3.9	3.2	33.6	12	−19.1	4	Oxa-41129	10,388	37	12,480–12,000	12,265
1431	AG*	3.9	3.3	34.6	12.4	−18.7	5.1	Oxa-41130	10,390	37	12,480–12,005	12,270
1119	AG*	1.6	3.3	43.8	15.5	−17	3.3	Oxa-41131	10,238	35	12,095–11,760	11,910
1117	AG*	4	3.3	31	11.1	−16.2	4.7	Oxa-41132	10,514	38	12,675–12,330	12,550
1423	AG*	6	3.3	32.4	11.6	−17	5	Oxa-41133	10,551	39	12,685–12,480	12,585

All dates are derived from bison bone fragments.