Delta 13C value
Delta 13C standard deviation
Sample Material Comment:
bogfind; Neolithic trackway running north
Somerset Levels: Shapwick Heath, Decoy Pool Wood
Radiocarbon dates: from samples funded by English Heritage and dated before 1981 (1994).
Calibration of radiocarbon dates from the Somerset Levels. Somerset Levels Papers 15, 1989, 64--72.
J. M. Coles/S. M. Fordham, Radiocarbon dates: second list, Somerset Levels Pap, 3, 89.
Neolithic hurdles from Walton Heath, Somerset. Somerset Levels Papers 3, 1977, 6--29.
J. M. Coles/B. J. Orme, Radiocarbon dates: fifth list, Somerset Levels Pap, 11, 85.
The use of radiocarbon dates from the Somerset Levels. Somerset Levels Papers 8, 1982, 9--25.