3M Quarry, operated by FST Sand & Gravel Inc., supplies high-quality construction sand and gravel ideal for a variety of building and infrastructure projects. Located in Riverside County, California, with convenient access to I-10 and I-15, this surface mine provides efficient distribution to Southern California markets and is operated by a team of 93 employees.
Operator
FST SAND & GRAVEL INC
Parent Company
Frank Smith
Company Type
Corporation
50
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33.839444, -117.508056
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
Construction Sand and GravelI-80W to CA 37 towards Novato, Right on Hwy 101 N to Exit 479 and go Left. Right onto Stony Point Rd, Left on Roblar Rd. Mine is on Left, CA
Construction Sand and GravelFrom F/O take I-10 West to 215 North to the I-15 North, to the 395 to Fort Independence. Juts past Fort Independence, turn left on dirt road, W. Dusty Ln. and follow to mine., CA
Sand, Industrial NECFrom Hwy 41, head West on Hwy 145 for approximately 1 mile. Turn left onto 40450 E. Hwy 145, Madera, CA 93636., CA
Crushed, Broken Stone NEC