UPLAND PIT AND MILL, operated by Holliday Rock Company Inc. in San Bernardino County, CA, provides high-quality construction sand and gravel suitable for a wide range of building projects. Located conveniently off I-10 W near Upland, this surface mine offers easy access to major transportation routes serving the Southern California market and employs 55 people.
Operator
HOLLIDAY ROCK COMPANY INC
Parent Company
Penny J Holliday
Company Type
Corporation
20
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34.113333, -117.693611
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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