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RIDGE ROCK QUARRY

hwy 49 to pleasant valley road. west 1.5 miles to entrance, Nevada County, CA
MSHA ID0405178
TYPESurface
MATERIALConstruction Sand and Gravel
EMPLOYEES2

MATERIALS PRODUCED

Construction Sand and Gravel

COMPANY INFORMATION

Operator

Hansen Bros. Enterprises

Parent Company

Jeff Hansen

Company Type

Corporation

DIRECTIONS

106

CONTACT

Contact information not available for unclaimed listings.

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39.332222, -121.146389

Data Source

Mine Safety and Health Administration (MSHA)

Last updated: 1/30/2026