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Chaco Canyon (1991–1996) Po-Ming Lin of the GCI using a dielectric probe to test the moisture content in the soil at Pueblo Bonito. Photo: Guillermo Aldana. |
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Chaco Canyon (1991–1996) Po-Ming Lin of the GCI using a dielectric probe to test the moisture content in the soil at Pueblo Bonito. Photo: Guillermo Aldana. |
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