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Casa Grande Ruins National Monument The Saguaro cactus blooms in late May to early June.
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Casa Grande Ruins National Monument
Exchanging Goods and Ideas
The ancient Sonoran Desert people exchanged goods and ideas, made long-distance expeditions to procure exotic raw materials, and produced prestige items such as carved shell, for exchange. These activities occurred within the Sonoran Desert culture and with other cultural areas. Interaction with other groups is indicated by the presence of macaws, copper bells, and pottery from sometimes very distant regions.
 
This very large olla was nearly intact when found at Casa Grande Ruins.

NPS Photo


Large pottery vessels were used for water and food storage and for cooking.

When different types of temper were added, a vessel became more porous and acted as an
evaporative cooler, producing chilled water. 

This olla was found near the Great House and is 3-ft. tall.

 

 

The ancient Sonoran Desert people had to have something to exchange, so they produced and traded large storage jars, pottery with intricate designs, and even jewelry made from seashells. The exchange systems they established reached their maximum extent between AD 800 and 1000, and items they created have been found hundreds of miles from their homeland.


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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.

Last Updated: October 08, 2009 at 18:15 MST