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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 »

  • Los Filos

    Goldcorp, Inc.

    Guerrero, Mexico
  • NV Mijnmaatschappij

    NV Mijnmaatschappij Limestone,

    Curacao, Netherlands Antilles
  • Mulatos

    Alamos Gold Inc./Mina de Oro Nacional

    Sonora, Mexico
  • San Francisco

    Timmins Gold Corp.

    Sonora, Mexico
  • Marlin Mine

    Goldcorp, Inc.

    San Marcos, Guatemala
  • Cordero

    Levon Resources, Ltd.

    Chihuahua, Mexico
  • Ray Mine

    Asarco LLC

    Arizona, USA
  • NorthMet Project

    PolyMet Mining Inc.

    Minnesota, USA
  • La Cigarra Project

    Coeur Mining, Inc.

    Chihuahua, Mexico
  • Marigold

    Silver Standard Resources, Inc.

    Nevada, USA