Julie M. Rubel

Title: Owner
Company: Crystal Lake Cave, LLC
Location: Dubuque, Iowa, United States


  • Dubuque Chamber of Commerce
  • Eastern Iowa Tourism Association
  • Jackson County Association Tourism Agency
  • National Cave Association
  • University of Dubuque


  • Honoree, Distinguished Worldwide Humanitarian Award (2020)
  • Inductee, Top Professionals of the Year, Marquis Who’s Who (2020)

Contact Julie Rubel

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