GUEUBEL, 1994, p.c. and Quinn et al., 1991, p. 3.1.22-2 reject feature problematic= stained earthcomposite charcoal from what??

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
PITT-655 42EM1879 (Dog Valley Rockshelter) UT