Corona Quarry, operated by Robertson's, provides high-quality construction sand and gravel essential for diverse building and infrastructure projects. Located in Riverside County, CA, with convenient access from I-15 via the Cajalco Rd exit, this surface mine ensures efficient delivery to Southern California markets. Backed by RRM Development Corporation and Mitsubishi Corp., our experienced team of 27 employees ensures consistent product quality and reliable service.
Operator
Robertson's
Parent Company
RRM Development Corporation; Mitsubishi Corp
Company Type
Partnership
30
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33.824444, -117.501111
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
Out of service/shop storage location. 90 Industrial Way, Beckwourth, CA 96129, CA
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