The 3M - Downtown Plant, located at 144 Rosecrans Street in Wausau, Wisconsin, is a surface granite quarry producing crushed and broken stone. Operated by the 3M Company (Minnesota Mining & Manufacturing Company), this established permanent plant employs 114 individuals and provides a reliable source of aggregate material in Marathon County.
Operator
3M Company
Parent Company
Minnesota Mining & Manufacturing Company
Company Type
Corporation
260
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44.950278, -89.637778
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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