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South Dakota Section


Geologic Interpretive Sign:

Representative of seven organizations collaborated in erecting a geologic interpretive sign along highway 16 in the Black Hills of South Dakota.

Pictured here from left to right to right: Tom Durkin (SD Space Grant Consortium), Perry Rahn (SDSM&T), Gary Haag (BHNF), John Stamm (USGS),
Mark Fahrenbach (SDGS), Mark Anderson (USGS), and Foster Sawyer (SDSM&T)
(Photo taken August 23, 2013)
Not pictured are: Derric Iles (SDGS), Nuri Uzunlar (Black Hills Natural Sciences Field Station, SDSM&T), Josh Valder (USGS), 
Gary Engel (DOT), and John Matthesen (DOT)
Geology of South Dakota

The geology of South Dakota began to form more than 2.5 billion years ago.


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The purpose of this Section is to promote the professional awareness and technical skills of geologists, the interchange of ideas, and the cohesion and fellowship of the profession through professional and educational meetings.

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