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Chaco Culture National Historic Park
This tafoni-style weathering is in the Cliffhouse Sandstone along the way to Tsin Kletson on top of the mesa.
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U.S. Department of the Interior - U.S. Geological Survey - Geology Discipline
The URL of this page is: http://3dparks.wr.usgs.gov/2005/chaco/html/chaco211.htm
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Last modified: 7/8/2007