The Spring Creek Mine is located in Montana approximately 35 miles north of Sheridan, Wyoming. The mine extracts thermal coal from the Anderson-Dietz Seam, which averages approximately 80 feet in thickness. The Spring Creek Mine shipped approximately 10.3 million tons of low sulfur, 9,283 Btu coal in 2016. Coal mined from Spring Creek is shipped primarily to electric utilities and industrial customers in the northwest, midwest, northeast and southwest United States, various Canadian provinces and exported to Asian utility customers via the Westshore terminal in British Columbia, Canada.
In 2005 and again in 2009 Spring Creek Mine received the Excellence in Surface Mining and Reclamation Award from the Office of Surface Mining. These awards recognized significant achievements in developing reclamation with hydrologic and biologic diversity and for intensive effort in establishing rare plants on reclamation.
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|2009||National Excellence in Surface Mining and Reclamation from the Office of Surface Mining for achievements in establishing and maintaining a rare plant species, the woolly twinpod|
|2005||National Excellence in Surface Mining and Reclamation from the Office of Surface Mining for achievements in establishing excellent topographic and vegetative diversity of the South Fork reclamation|
|2014||Rocky Mountain Coal Mining Institute Safety Award for Large Operator Surface Mine|
|2008||Runner-up, Sentinels of Safety award|
|2006||Rio Tinto Chief Executive Safety Award|
|2005||Rio Tinto Chief Executive Safety Award|
|2005||Rocky Mountain Coal Mining Institute Award for Safety|
|2004||Montana Governor's Award for Safety and Health|
|1997||Wyoming/Montana Safety Council Award|
|1996||Wyoming/Montana Safety Council Award|