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Underground Planning at Stillwater Mining Company


  • W. Matthew Carlyle

    (Department of Industrial Engineering, Arizona State University, Tempe, Arizona 85287-5906)

  • B. Curtis Eaves

    (Department of Management Science and Engineering, Stanford University, Stanford, California 94305-4023)


As part of a new expansion effort, Stillwater Mining Company needed a tool for analyzing development and production scenarios in a new area of an underground platinum and palladium mine in Stillwater, Montana. We developed a large mixed-integer programming model that takes as input the planned mine layout, projected ore quality, and projected costs for basic mining activities, and produces as output a near-optimal schedule of activities that maximizes discounted ore revenue over a given planning horizon. We then used this model to evaluate various planning scenarios and make recommendations about development and production in this new area.

Suggested Citation

  • W. Matthew Carlyle & B. Curtis Eaves, 2001. "Underground Planning at Stillwater Mining Company," Interfaces, INFORMS, vol. 31(4), pages 50-60, August.
  • Handle: RePEc:inm:orinte:v:31:y:2001:i:4:p:50-60

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    Cited by:

    1. Mark Kuchta & Alexandra Newman & Erkan Topal, 2004. "Implementing a Production Schedule at LKAB's Kiruna Mine," Interfaces, INFORMS, vol. 34(2), pages 124-134, April.
    2. Rafael Epstein & Marcel Goic & Andrés Weintraub & Jaime Catalán & Pablo Santibáñez & Rodolfo Urrutia & Raúl Cancino & Sergio Gaete & Augusto Aguayo & Felipe Caro, 2012. "Optimizing Long-Term Production Plans in Underground and Open-Pit Copper Mines," Operations Research, INFORMS, vol. 60(1), pages 4-17, February.
    3. Peter McKenzie & Alexandra M. Newman & Luis Tenorio, 2008. "Front Range Aggregates Optimizes Feeder Movements at Its Quarry," Interfaces, INFORMS, vol. 38(6), pages 436-447, December.
    4. Alexandra M. Newman & Enrique Rubio & Rodrigo Caro & Andrés Weintraub & Kelly Eurek, 2010. "A Review of Operations Research in Mine Planning," Interfaces, INFORMS, vol. 40(3), pages 222-245, June.
    5. Marco Schulze & Julia Rieck & Cinna Seifi & Jürgen Zimmermann, 2016. "Machine scheduling in underground mining: an application in the potash industry," OR Spectrum: Quantitative Approaches in Management, Springer;Gesellschaft für Operations Research e.V., vol. 38(2), pages 365-403, March.
    6. Dónal O’Sullivan & Alexandra Newman, 2014. "Extraction and Backfill Scheduling in a Complex Underground Mine," Interfaces, INFORMS, vol. 44(2), pages 204-221, April.
    7. Martin L. Smith & Stewart J. Wicks, 2014. "Medium-Term Production Scheduling of the Lumwana Mining Complex," Interfaces, INFORMS, vol. 44(2), pages 176-194, April.


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