Mining Incidents

Mid-Continent Quarry Metal/Non-Metal

Controlled by RMR Industrials Inc
Glenwood Springs, Garfield County, CO  ·  Intermittent
MSHA Mine ID: 0504954

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Fatalities
0
Total incidents
9
Years on record
2012–2022
Latest incident
Sep 2022
Compliance record
MSHA citations since 2010
86
citations
30
significant & substantial
$48,437
proposed penalties
$40,133
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 0 0 0
2025 Q3 0 0 0
2025 Q2 0 0 0
2025 Q1 0 0 0
2024 Q4 1,185 0 0 0.0
2024 Q3 1,508 1 0 663.1
2024 Q2 1,472 2 1 1358.7
2024 Q1 1,440 1 0 694.4
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

9 on file

2022 · 1 incident

September 23, 2022 CO · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
RMR Aggregates, Inc. · Struck by falling object

Employee was performing a maintenance operation to replace a damaged conveyor trough. While lifting the new roller assembly, the employee lost their balance and started to fall. They braced themselves against a concrete block adjacent to them and the roller assembly fell striking their right middle finger causing injury to the tendon of the finger.

2018 · 2 incidents

October 16, 2018 CO · Metal/Non-Metal miner, prospector, nec HANDTOOLS (NONPOWERED)
RMR Aggregates, Inc. · Struck by flying object

Injured Employee had driven a cold chisel into a gap on a mill journal to spread the pinch flange to remove a shaft from the journal. While attempting to remove the chisel from the gap it was dislodged and came free unexpectedly and with high force hitting ee in the tibia of right leg at about halfway down from the knee.

February 7, 2018 CO · Metal/Non-Metal welder (non-shop) MACHINERY
RMR Aggregates, Inc. · Struck by... (Not Elsewhere Classified)

A contract welder was using an angle grinder to cut some material on an impact crusher. Upon completing EE's cut EE proceeded to set the grinder down and it twisted such that the grinding wheel cut through EE's glove on EE's left index finger causing a laceration of about 1" in length.

2017 · 2 incidents

October 8, 2017 CO · Metal/Non-Metal outside foreman, leadman STEPPING OR KNEELING ON OBJECT
RMR Aggregates, Inc. · Struck against stationary object

The injured employee was moving an oxy/acetylene torch cart by pulling it away from an area where a conveyor was going to be laid down for repair. As the miner was pulling the cart ee stepped on a rock approximately 4" in size when ee said ee felt left foot "pop."

February 21, 2017 CO · Metal/Non-Metal POWERED HAULAGE
RMR Aggregates, Inc. · Accident type, without injuries

Passenger vehicle was parked on east end of crushing bench in an area away from normal equipment operations. During work on the crushing bench the WA-470 loader required fuel. Operator drove loader to fuel tank situated east of the passenger vehicle and fueled. After fueling the operator backed up striking the hood and grill of the vehicle.

2016 · 1 incident

November 29, 2016 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
RMR Aggregates, Inc. · Caught in, under or between (Not Elsewhere Classified)

On 11/29/16 at approximately 16:00 two miners had powered down the equipment and locked and tagged out the equipment.  They were attempting to rotate the belt to bring the belt part number into view. While rotating the belt by hand the injured employee grasped the belt to attempt to bring it to a stop near the drive sheave pinching thumb between the drive sheave and the belt.

2015 · 1 incident

September 22, 2015 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CalX Minerals, LLC · Struck by... (Not Elsewhere Classified)

While trying to drive a broken bit from the drum of a road header a piece of metal fractured and struck the employee in the left forearm approximately 4 inches distal of the elbow.

2014 · 1 incident

November 10, 2014 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CalX Minerals, LLC · Struck by... (Not Elsewhere Classified)

While preparing to attach the come a long to a sling wrapped around the end of the motor a sliver of steel on the chain lacerated the palm of his left hand proximal of the digits of the hand and distal of the thumb joint for a length of approximately 1 inch. Injured taken to physician and 6 stitches to close wound. No work restrictions or lost time.

2012 · 1 incident

June 29, 2012 CO · Metal/Non-Metal superintendent HANDTOOLS (NONPOWERED)
CalX Minerals, LLC · Struck by... (Not Elsewhere Classified)

Employee was cutting belting using a utility knife. The knife slipped away from the area being cut and struck the employee on his right hand. Two of his fingers were cut by the knife.