Table S1.
Laboratory numbers, detailed provenience, skeletal element sampled, calibrated distributions, and C and N composition for the dated materials
| PSU no. | UCIAMS no. | Provenience | Material | C, % | N, % | C:N ratio | 2σ cal Age | Probability, % |
| Pueblo Bonito | ||||||||
| 6279 | 148197 | Room 38, east wall | Right humerus | 30.9 | 11.1 | 3.25 | A.D. 1015–1055 | 41.8 |
| A.D. 1080–1155 | 53.6 | |||||||
| 6201 | 145204 | Room 38, east wall | Right humerus | 43.3 | 15.8 | 3.20 | A.D. 990–1035 | 95.4 |
| 5961 | 137927 | Room 38, SW end | Right humerus | 48.5 | 17.5 | 3.23 | A.D. 985–1030 | 95.4 |
| 5960 | 137926 | Room 38, SW end | Right humerus | 46.3 | 16.6 | 3.25 | A.D. 980–1030 | 95.4 |
| 5958 | 137924 | Room 38, east wall | Right humerus | 42.1 | 15.1 | 3.25 | A.D. 970–1025 | 95.4 |
| 6196 | 145199 | Room 38, east wall | Right humerus | 47.9 | 17.1 | 3.27 | A.D. 970–1020 | 95.4 |
| 6197 | 145200 | Room 38, east wall | Right humerus | 46.6 | 16.8 | 3.24 | A.D. 905–915 | 2.0 |
| A.D. 965–1020 | 93.4 | |||||||
| 6199 | 145202 | Room 38, east wall | Right humerus | 48.7 | 17.4 | 3.27 | A.D. 890–990 | 95.4 |
| 5959 | 137925 | Room 38, east wall | Right humerus | 47.1 | 16.9 | 3.25 | A.D. 890–985 | 95.4 |
| 6200 | 145203 | Room 38, east wall | Right humerus | 47.2 | 17.0 | 3.24 | A.D. 885–975 | 95.4 |
| 6198 | 145201 | Room 38, east wall | Right humerus | 38.8 | 13.8 | 3.28 | A.D. 885–975 | 95.4 |
| 6202 | 145205 | Room 71, southeast corner, floor level | Right humerus | 45.3 | 16.5 | 3.20 | A.D. 1025–1060 | 22.9 |
| A.D. 1065–1155 | 72.5 | |||||||
| 6203 | 145206 | Room 78, SW corner | Right humerus | 49.3 | 17.8 | 3.23 | A.D. 895–930 | 37.8 |
| A.D. 935–990 | 57.6 | |||||||
| 6204 | 145207 | Room 78, north wall | Right humerus | 47.8 | 17.1 | 3.26 | A.D. 780–790 | 1.3 |
| A.D. 870–975 | 94.1 | |||||||
| Old Town | ||||||||
| 6278 | 148196 | Tibiotarsus | 49.4 | 17.8 | 3.23 | A.D. 1025–1060 | 22.9 | |
| A.D. 1065–1155 | 72.5 | |||||||
| 6434 | 155971 | Humerus | 45.4 | 16.0 | 3.31 | A.D. 1020–1050 | 41.1 | |
| A.D. 1080–1130 | 43.1 | |||||||
| A.D. 1135–1155 | 11.2 | |||||||
| 6277 | 148195 | Tibiotarsus | 43.8 | 16.0 | 3.19 | A.D. 1015–1050 | 58.4 | |
| A.D. 1085–1125 | 30.6 | |||||||
| A.D. 1135–1150 | 6.3 | |||||||
| Mitchell | ||||||||
| 6415 | 154709 | Left humerus | 48.1 | 16.7 | 3.36 | A.D. 895–925 | 19.3 | |
| A.D. 945–1020 | 76.1 | |||||||
| Allen Canyon | ||||||||
| 6037 | 140287 | Cave 31, grave | Feather | NA | NA | NA | A.D. 1015–1055 | 55.0 |
| A.D. 1080–1155 | 40.4 | |||||||
| 6038 | 140288 | Cave 31, grave | Cordage | NA | NA | NA | A.D. 990–1050 | 81.6 |
| A.D. 1090–1125 | 11.9 | |||||||
| A.D. 1140–1150 | 1.9 | |||||||
cal, calibrated; NA, not applicable; PSU, Pennsylvania State University; UCIAMS, University of California, Irvine Accelerator Mass Spectrometer.