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Providing mine engineering services to the world's mining industry since 1983.

Independent Mining Consultants, Inc. (IMC) was founded in 1983 by Michael Hester, John Marek, and Herb Welhener. Prior to starting IMC, all three had established substantial careers in the mine engineering and consulting fields. IMC's personnel has remained consistent in the more than 33 year history of the corporation.

Contact Us

IMC personnel can be contacted through our main office.

Independent Mining Consultants, Inc.
3560 East Gas Road
Tucson, Arizona 85714
General Inquiries: 

Information regarding Independent Mining Consultants services, can be made via telephone or email. Please feel free to contact us!

Mr. John M. Marek

Vice President
Mr. Herbert E. Welhener

Vice President
Mr. Michael G. Hester

General Inquiries
Ms. S. Yvette Gengler - Senior Geological Engineer

Our Recent Projects

View our Project Map »

  • Amulsar Gold

    Lydian International Ltd.

    Vayots Dzor, Armenia
  • La Preciosa

    Coeur Mining, Inc.

    Durango, Mexico
  • Northstar/Gunnison Copper

    Excelsior Mining Corp.

    Arizona, USA
  • Copper Flat

    THEMAC Resources

    New Mexico, USA
  • Cieneguita

    Pan American Goldfields Ltd.

    Chihuahua, Mexico
  • Drake Cement

    Drake Cement

    Arizona, USA
  • Bayovar 12

    Focus Ventures Ltd.

    Piura, Peru
  • Metates

    Chesapeake Gold Corp

    Durango, Mexico
  • La Herradura

    Fresnillo PLC

    Sonora, Mexico
  • Sierrita Mine

    Freeport McMoRan Inc.

    Arizona, USA