Active

S-5 RED

Portable currently at Highland Entry before Greenspot Bridge, Riverside County, CA
MSHA ID0405857
TYPESurface
MATERIALConstruction Sand and Gravel
EMPLOYEES2

MATERIALS PRODUCED

Construction Sand and Gravel

COMPANY INFORMATION

Operator

Upland Rock

Parent Company

Neal L Grabowski; Michael J Grabowski

Company Type

Corporation

DIRECTIONS

50

CONTACT

Contact information not available for unclaimed listings.

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34.099444, -117.117778

Data Source

Mine Safety and Health Administration (MSHA)

Last updated: 1/30/2026