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The Formative Period in Prehistory

The Formative is the last of several periods in a sequence of cultural development that traces the overall progression from stone-tool-using, hunter- gatherer societies to fully developed agricultural societies. The process that occurred is analogous to…

The Gateway Tradition

The Gateway tradition refers to a set of archaeological sites within western Montrose and San Miguel Counties, Colorado, that appear similar to Pueblo II–period (AD 900–1150) sites to the south in the core homeland of the Ancestral Puebloans (Figs. 1 and…