International Institute of Minerals Appraisers

P.O. Box 1123, Golden, Colorado, USA 80402

Mark Sonderby, ARA -- Certified Member No. 2020-04

  • U.S. Department of Agriculture Natural Resource Conservation Service
  • 8 Fry Drive
  • Sheridan, Wyoming USA 82801
  • Phone No: 1-307-673-0515
  • Cell No: 1-307-621-0895
  • Email: markwfly@msn.com
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  • Membership Class: Certified
  • Start Date: August 20, 2020
  • Subscription Date: December 20, 2023
  • Expiry Date: January 1, 2024

Certified

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