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BLUE MOUNTAIN MINERALS

1-1/2 miles from Columbia, right on Marble Quarry Rd., to end., Tuolumne County, CA

MSHA ID0404716

TYPESurface

MATERIALCrushed, Broken Limestone NEC

EMPLOYEES54

ABOUT

Blue Mountain Minerals, a Portola Minerals Company subsidiary, operates a surface limestone quarry in Tuolumne County, CA, producing high-quality crushed and broken limestone for various construction and industrial applications. Located 1.5 miles from Columbia on Marble Quarry Rd., the quarry's location provides convenient access to regional markets and transportation infrastructure, supported by a dedicated team of 54 employees.

MATERIALS PRODUCED

Crushed, Broken Limestone NEC

DIRECTIONS

124

CONTACT

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38.069444, -120.423056

Data Source

Mine Safety and Health Administration (MSHA)

Last updated: 1/30/2026

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