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3M CORONA PLANT

I-10 west to I-15 south exit Ontario. Turn left go to Minnesota Rd, next to Circle K, turn left follow to mine site., Riverside County, CA

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MSHA ID0400191

TYPESurface

MATERIALCrushed, Broken Stone NEC

EMPLOYEES85

ABOUT

3M CORONA PLANT, located in Riverside County, CA, produces high-quality crushed and broken stone NEC suitable for various construction applications. Conveniently situated near the I-10 and I-15 interchange, this surface mine operated by 3M Company employs 85 workers, ensuring a reliable supply of aggregate materials for the Southern California market.

MATERIALS PRODUCED

Crushed, Broken Stone NEC

DIRECTIONS

CONTACT

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33.848333, -117.511944

Data Source

Mine Safety and Health Administration (MSHA)

Last updated: 1/30/2026

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