The dark line shown above is the black mat (12.9 ka) along the arroyo

Would North American Paleoindians have Noticed Younger Dryas Age

Full article: Sediments from around the lower younger dryas

PDF) Five Younger Dryas black mats in Mexico and their

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Extinct groundwater discharge locality in the Eldorado Valley

Features and Activities in the Landscape (Part IV) - Applied Soils

The dark line shown above is the black mat (12.9 ka) along the

Evidence for Younger Dryas global climate oscillation and human

Location of Mexican studied sites: (a) Tocuila, (b) Lake Acambay

The 12.9-ka ET Impact Hypothesis and North American Paleoindians

Comprehensive refutation of the Younger Dryas Impact Hypothesis

Stratigraphy of the Younger Dryas Chronozone and