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Casa Grande Ruins National MonumentThis Barrel Cactus blooms in early September.
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Casa Grande Ruins National Monument
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Casa Grande Ruins NM
1100 W. Ruins Drive
Coolidge, AZ 85228
By Phone
(520) 723-3172


By Fax
(520) 723-7209




Casa Grande Ruins NM
1100 Ruins Drive
Coolidge, AZ 85228


The 'Big House' at Casa Grande Ruins circa 1900.  

Did You Know?
An estimated six million pounds of caliche were used in the construction of the Casa Grande. Caliche is a naturally occurring soil consisting of clay, sand and calcium carbonate found in the deserts of the southwest.

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Last Updated: April 02, 2008 at 14:07 EST