Answers are grounded in this paper and cite their sources.
The radiocarbon dates obtained since December 1967 are included in this report. The procedures followed have been described previously (Radiocarbon, 1966, v. 8, p. 522–533).
No takes yet. Share an insight, caveat, or question.
Bender et al. (1969) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: