C14 Radiocarbon Dating - Index - Douglas Farm
| Lab Analysis ID | Material Dated | Uncalibrated date bp | Uncalibrated date bc/ad | Calibrated date |
|---|---|---|---|---|
| GU-3510 | charcoal (mixed) |
1490 bp +/-60 | ad 460 +/-60 | cal AD 430 to 660 |
| GU-3511 | charcoal (mixed) |
5120 bp +/-100 | 3170 bc +/-100 | 4250 to 3650 cal BC |
| GU-3512 | charcoal (mixed) |
1240 bp +/-90 | ad 710 +/-90 | cal AD 650 to 980 |
| GU-3513 | charcoal (quercus spp) |
3830 bp +/-90 | 1880 bc +/-90 | 2600 to 1950 cal BC |
| GU-3514 | charcoal (quercus spp) |
3450 bp +/-60 | 1500 bc +/-60 | 1930 to 1600 cal BC |
| GU-3507 | charcoal (quercus spp) |
900 bp +/-50 | ad 1050 +/-50 | cal AD 1020 to 1240 |
| GU-3508 | charcoal (mixed) |
4670 bp +/-60 | 2720 bc +/-60 | 3640 to 3340 cal BC |
| GU-3509 | charcoal (mixed) |
4800 bp +/-80 | 2850 bc +/-80 | 3720 to 3370 cal BC |
