Granite Canyon Quarry, operated by Martin Marietta Materials near Cheyenne, Wyoming (I-80, Exit 339), provides high-quality crushed and broken granite for various construction applications. Located in Laramie County, this surface mine, with 42 employees, offers a strategic source for granite products with convenient access to major transportation routes and regional markets.
Operator
Martin Marietta Materials
Parent Company
Martin Marietta Materials Inc
Company Type
Corporation
128
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41.101111, -105.173333
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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