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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

Joseph McNaughton

Anh Nguyen

Jacob Richey

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

Our Recent Projects

View our Project Map »

  • Mogollon

    Sage Associates

    New Mexico, USA
  • La Herradura

    Fresnillo PLC

    Sonora, Mexico
  • Grasberg/PTFI Mines

    Freeport McMoRan Inc.

    Papua, Indonesia
  • Zanfranal

    M3 Engineering/HudBay Minerals Inc.

    Arequipa, Peru
  • Casino

    Western Copper Corp.

    Yukon Territory, Canada
  • MacArthur Project

    Quaterra Resources Inc.

    Nevada, USA
  • La Yaqui - Cerro Pelon

    Alamos Gold Inc.

    Sonora, Mexico
  • Ray Mine

    Asarco LLC

    Arizona, USA
  • Sonora Lithium Project

    Bacanora Minerals Ltd.

    Sonora, Mexico
  • Douglas Quarry

    Chemical Lime Company

    Arizona, USA