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Mean and standard deviations for δ13Ccoll and δ15Ncoll from adult individuals (18 + years) from Chesapeake, Snake Hill and Stoney Creek (16 + years) (Ubelaker and Owsley 2003; Raynor and Kenneth 2008; Emery et al. 2015)
| δ13Ccoll ‰VPDB | δ15Ncoll‰ AIR | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Site | n | Mean | SD | Min | Max | Mean | SD | Min | Max |
| Chesapeake Bay | 19 | − 16.2 | 3.2 | − 20.5 | − 10.5 | 11.7 | 1.4 | 8.7 | 14.4 |
| Snake Hill | 13 | − 16.4 | 1.9 | − 17.7 | − 15.0 | 10.4 | 0.9 | 8.7 | 11.9 |
| Stoney Creek | 18 | − 18.2 | 2.2 | − 20.8 | − 13.5 | 11.1 | 0.7 | 9.7 | 12.3 |
