Mining Incidents

Crestmore Mine: 7 reportable incidents Metal/Non-Metal

Riverside Cement Company · Underground
Controlled by Hanson PLC
Riverside County, CA  ·  Abandoned
MSHA Mine ID: 0404347

MSHA record for Crestmore Mine (mine ID 0404347). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
7
Years on record
1984–1985
Latest incident
May 1985
Ownership history
  1. Riverside Cement Company 1979 to 1979
  2. Riverside Cement Company 1979 to present
Source: MSHA controller and operator history, updated weekly.

Crestmore Mine sits in Riverside County, California, where the Census mining category is 0.1% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Riverside County, California · Population 2,449,909
0.1%
Mining share of county employment
$89,672
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

7 on file

1985 · 4 incidents

May 6, 1985 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Riverside Cement Company · Fall to the walkway or working surface

EMPL SLIPPED ON WET FLOOR OF UG SHOP SLAB AS HE WAS ROLLING TIRE OFF TRUCK HE WAS WORKING ON.AS HE LANDED HE PUSHED OUT WITH LEFT WRIST AND FELL ON LEFT KNEE.

March 13, 1985 CA · Metal/Non-Metal ledgeman/hand, quarry man POWERED HAULAGE
Riverside Cement Company · Struck by... (Not Elsewhere Classified)

EMPLOYEE ALLEGEDLY WAS PLACING A LARGE ROCK ON A MOVING BELT WHEN ANOTHER ROCK ON THE BELT STRUCK HIS HAND.

March 8, 1985 CA · Metal/Non-Metal ledgeman/hand, quarry man MACHINERY
Riverside Cement Company · Caught in, under or between a moving and a stationary object

EMPLOYEE ALLEGEDLY HAD HIS RIGHT HAND CRUSHED AS THE BOOM OF PIGNON SCALER CAME INTO CONTACT WITH THE OPEN SCALER DOOR. EMPLOYEE HAND WAS ALLEGEDLY RESTING ON THE DOOR JAM AT THE TIME.

February 6, 1985 CA · Metal/Non-Metal apprentice, trainee POWERED HAULAGE
Riverside Cement Company · Struck against a moving object

EMPLOYEE ALLEGEDLY WAS DRIVING THE POWDER TRUCK AND WHILE BACKING UP TO THE FACE THE LEFT REAR TIRE CLIMBED OVER A ROCK. EVIDENTLY THE ROCK ROLLED CAUSING THE TRUCK TO SLAM INTO THE FACE. THE ON HIS BACK.

1984 · 3 incidents

October 24, 1984 CA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Riverside Cement Company · Struck by falling object

EMPLOYEE ALLEGEDLY CLEARING OUT INSIDE OF PLUGGED CRUSHER AND WHEN HE PULLED OUT A ROCK FROM THE BOTTOM A ROCK ON TOP SLID DOWN ON HIS FOOT.

October 16, 1984 CA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Riverside Cement Company · Over-exertion in wielding or throwing objects

EMPLOYEE ALLEGEDLY THROWING ROCKS TO CLEAR DYNAD DR. AT END OF SHIFT COMPLAINES OF SORE SHOULDER.

September 26, 1984 CA · Metal/Non-Metal laborer, bull gang, faceman, parts runner, roustabout, roof trimmer/scaler HANDLING OF MATERIALS
Riverside Cement Company · Struck against stationary object

EMPLOYEE ALLEGDLY WAS LOADING POWDER WHEN HE REACHED OUT TO PULL THE LEAD WIRE TIGHT IN THE HOLE AND CAUGHT THE KNUCKLE OF HIS RIGHT INDEX FINGER ON A SHARP ROCK.SUTURES WERE REQUIRED TO CLOSE CLOSE THE WOUND.