River Warren Aggregates Inc · Over-exertion in lifting objects
STRAINED BACK WHILE LIFTING BLOCKING.
Malkerson Quarry: 9 reportable incidents Metal/Non-Metal
River Warren Aggregates Inc
· Surface
Controlled by
Midwest Asphalt Corp
Scott County,
MN
·
Abandoned
MSHA Mine ID: 2100178
Malkerson Quarry has had no fatalities among 9 reportable incidents since 1985.
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- Fatalities
- 0
- Total incidents
- 9
- Years on record
- 1985–1988
- Latest incident
- Apr 1988
Ownership history
- River Warren Aggregates Inc 1950 to 1980
- River Warren Aggregates Inc 1980 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 1989 | 17 |
| 1988 | 17 |
| 1987 | 17 |
| 1986 | 14 |
| 1985 | 12 |
| 1984 | 10 |
| 1983 | 9 |
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.
Malkerson Quarry sits in Scott County, Minnesota, where the Census mining category is 0.3% 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.Scott County, Minnesota · Population 152,957
0.3%
Mining share of county employment
$120,247
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.
Reportable incidents
9 on file1988 · 1 incident
Show 8 earlier incidents Hide earlier incidents
1987 · 1 incident
September 29, 1987
MN · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
HANDLING OF MATERIALS
River Warren Aggregates Inc · Over-exertion in lifting objects
LIFTING SCREENS3
1986 · 4 incidents
River Warren Aggregates Inc · Fall to the walkway or working surface
FELL DOWN, SPRA3NED HAND.
November 4, 1986
MN · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
MACHINERY
River Warren Aggregates Inc · Struck by flying object
HIT BY ROCK FRA1MENT FROM CRUSHER, HIT AND CRACKED A TOOTH.
River Warren Aggregates Inc · Struck by... (Not Elsewhere Classified)
WHILE DRILLING 9OCK CHIPS ARE FORCED OUT OR HIGH PRESSURE STUCK BY ROCK CHIP IN EYE.
River Warren Aggregates Inc · Flash burns (electric)
WHILE RAISING D9ILL RIG BOOM, IPERATOR DID NOT NOTICE WIRES STRUCK WIRES ELECTRACUTION OF RIGHT HAND THUMB AND LEFT HAND INDEX FINGER.
1985 · 3 incidents
November 26, 1985
MN · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
POWERED HAULAGE
River Warren Aggregates Inc · Struck against a moving object
OPERATING A BOB7AT GOT OFF AND COULD NOT STAND UP STRAIGHT PREVIOUSLY HAD BEEN SHOVELING LOWER BACK STRAIN
March 25, 1985
MN · Metal/Non-Metal
maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech
SLIP OR FALL OF PERSON
River Warren Aggregates Inc · Fall from machine
I.NAME WAS STEPPING FROM A 988 LOADER ONTO A FUEL TANK WHEN HE SLIPPED & FELL ABOUT 3\ DOWN LANDING ON HIS LEFT FOOT RESULTING IN A SPRAIN OR POSSIBLE FRACTURE.
River Warren Aggregates Inc · Contact with hot objects or substances
I,NAME WAS BURNED WHILE WELDING UNDERNEATH A CRUSHER, AS THE HOT OIL LEAKED OUTAND BURNED HIS FACE AND HANDS.