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  2. First Oil Discovery
  3. The Williston Basin
  4. Current Oil and Gas Production...
  5. Extent of Red River Formation
  6. Extent of Minnelusa Formation
  7. Shannon Sandstone Member of th...
  8. A Long History of Exploration
  9. Location of Holes Drilled Rela...
  10. Number of Oil and Gas Wells Dr...
  11. Annual Oil Production 1954 to ...
  12. Annual Natural Gas Production ...
  13. Interactive Map of Drill Holes...