Photo taken by Chris Pellowski

SD Section, AIPG - September 12, 2015 Field Trip:
The trip focused on the Deadwood Formation in the Black Hills of South Dakota and “Frac Sand” Potential, led by SD Section President Derric Iles and
other staff members of the SD Geological Survey including Mark Fahrenbach, Tom Marshall, and Brian Fagnan.  Click here for Field Guide and Driving Route.

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