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The Salado Indians build Casa Grande (Big House), a four-story unreinforced-clay fortress topped by an adobe watch tower in the Gila Valley of present-day Arizona. It is near the site of a village and irrigation system built by Hohokam Indians circa 300 B.C.E.-500 C.E.
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This section contains 56 words (approx. 1 page at 300 words per page) |
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