Spence, et al. 1978, 1981, 1990

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
S-1287 AdHc-4 (Bruce Boyd) 860 ± 70 -25.0
S-1288 AdHc-4 (Bruce Boyd) ON 2550 ± 70 -20.0