Underhand Cut and Fill Mining as Practiced in Three Deep Hard Rock Mines in the United States (6e8899b4-3bd8-4573-8417-50dde1c7e2d1)

The National Institute for Occupational Safety and Health (NIOSH)
Ted J. Williams Tom M. Brady Doug C. Bayer Mark J. Bren Rimas T. Pakalnis John A. Marjerison Rad B. Langston
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The National Institute for Occupational Safety and Health (NIOSH)
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11
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Abstract

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Underhand cut and fill mining methods are used at the Lucky Friday, Stillwater, and Galena mines in the western US in an effort to safely mine in difficult ground conditions and as a primary mining method where access below the ore is limited. The method has evolved at each mine to meet the unique situations associated with their milling procedure and mine layout. Details of the operational aspects of the backfilling and mining cycles at each mine are presented in this paper, accompanied by a summary of the mechanical properties of the backfill and its in-situ geomechanical behavior.
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APA: Ted J. Williams Tom M. Brady Doug C. Bayer Mark J. Bren Rimas T. Pakalnis John A. Marjerison Rad B. Langston  Underhand Cut and Fill Mining as Practiced in Three Deep Hard Rock Mines in the United States (6e8899b4-3bd8-4573-8417-50dde1c7e2d1)

MLA: Ted J. Williams Tom M. Brady Doug C. Bayer Mark J. Bren Rimas T. Pakalnis John A. Marjerison Rad B. Langston Underhand Cut and Fill Mining as Practiced in Three Deep Hard Rock Mines in the United States (6e8899b4-3bd8-4573-8417-50dde1c7e2d1). The National Institute for Occupational Safety and Health (NIOSH),

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