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GREENSTONE MATERIALS QUARRY

From I15 Exit Ortega Hwy (CA-74) - go east on Ortega Highway for 9 miles. Mine is after the Casper's Wildlife Park on south side of hwy., Orange County, CA
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MSHA ID0403299
TYPESurface
MATERIALConstruction Sand and Gravel
EMPLOYEES2

MATERIALS PRODUCED

Construction Sand and Gravel

COMPANY INFORMATION

Operator

Greenstone Materials, Inc.

Parent Company

Rich Holt

Company Type

Corporation

DIRECTIONS

45

CONTACT

Contact information not available for unclaimed listings.

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33.557778, -117.545278

Data Source

Mine Safety and Health Administration (MSHA)

Last updated: 1/30/2026

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