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Oct 9, 700
Cahokia first Established
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Period: Oct 9, 700 to Oct 9, 750
SW area - First Permanent large settlements
Alkali Ridge, Utah, Chaco, Dolores River Valley -
Period: Oct 9, 775 to
Hohokam, AZ - Rapid change of lifestyle
colichee covered trash heaps -
Oct 9, 1000
Cortez, CO - Yellow Jacket Pueblo Est
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Period: Oct 9, 1100 to Oct 9, 1200
Cahokia - Peak
100,000 people, Houses were arranged in rows around open plazas. Agricultural fields and a number of smaller villages surrounded and supplied the city. Extensive trade -
Oct 9, 1130
Chaco Canyon no longer has population
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Oct 9, 1130
chaco river shrinks
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Oct 9, 1150
Acoma continuous populaton
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Period: Oct 9, 1150 to Oct 9, 1300
Snake town changes again, no ball courts, no mounds, made walled complexes
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Period: Oct 9, 1200 to Oct 9, 1400
Cavell Advance (Little Ice Age)
1200-1900 -
Oct 9, 1240
Cliff Dwellings est Mesa Verde
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Oct 9, 1240
Cortez CO, pop leaves bean fields for Cliffs
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Period: Oct 9, 1250 to Oct 9, 1400
Cahokia site abandoned
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Oct 9, 1270
SW Colorado looks abandoned
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Period: Oct 9, 1275 to Oct 9, 1300
Great Drought
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Period: Oct 9, 1276 to Oct 9, 1299
Great Drought - AE Douglas
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Oct 9, 1280
Population drop in Mesa Verde
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Oct 9, 1280
Gallina disappeared
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Sacred Ridge Massacre - Durango, CO
It is a multiple habitation site of 22 pit structures, some of which may have operated as communal ritual facilities for a population that extended beyond the immediate site inhabitants. He found that the population at Sacred Ridge in the early 800s was distinct from others in the area. The remains and other artifacts at the site, Sacred Ridge in Colorado, indicate ethnic cleansing took place there in the early ninth century. The unearthed bones and artifacts indicate that when the violence took -
Period: to Oct 9, 1000
Chaco Canyon Viewed as sacred
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Period: to Oct 9, 1050
Chaco Buildings Built
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Period: to Oct 9, 1150
Snake Town AZ - trash mounds surrounded by stockades, ball courts every 3 miles or so
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Period: to Oct 9, 1100
rising water tables in CO area, milder climate changes, more predictability
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Period: to Oct 9, 1200
Cahokia - Monks Mound Construction