Friday, December 19, 2008

Casa Grande Ruins, Coolidge, AZ Dec 14, 2008

We stopped for a visit at the Casa Grande Ruins National Monument in Coolidge, AZ. It was so much larger than I imagined, over four stories high and 60 feet long. Early Spanish explorers called it the Great House (Casa Grande). It is the largest structure to exist of the Hohokam culture. This structure has openings that align with the setting sun of the summer solstice, other openings align with the sun and moon at specific dates. It is built with caliche (sand, clay and limestone), a material found in the subsoil beneath their feet. It is similar to concrete. This structure took over 3,000 tons of this material to construct

You can see how thick the walls are behind Bob. They found out that the thicker the walls were the higher they could build the structure. This Great House was constructed before 1350, but by 1694 was an empty shell.

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