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National Geologic Map Database

General Information

  • Title: Geologic map of the Blackhawk quadrangle, South Dakota
  • Author(s): Lisenbee, A.L., and Hargrave, R.G.
  • Publishing Organization: South Dakota Geological Survey
  • Series and Number: Geologic Quadrangle Map GQ24K-05
  • Publication Date: 2005
  • Map Scale: 1:24,000
  • Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.