Mule Mountains - Views of Historic Bisbee
Cochise College   
Arizona Geology     
Geology of Southeastern Arizona        

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Roger Weller, geology instructor
copyright 2017-R.Weller     last edited:  8/29/17

One of the first attempts at creating a drainage channel beneath the street
to handle floods was great in theory, but not in practice.

Photo courtesy of the Bisbee Mining and Historical Museum