Uploaded May 2015 | Updated September 2026, 23 minutes ago

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On April 28, 2015, Dr. David R. Wilcox shared the results of a long-term survey of defensible ancient places in central Arizona.

View Dr. Wilcox's poster on this topic: archaeologysouthwest.org/wp-content/uploads/2017/08/Wilcox-36x68-PosterRGB72.jpg