Mining Incidents

Portable Rock Plant #1: 3 reportable incidents Metal/Non-Metal

Pocahontas County, IA  ·  Abandoned
MSHA Mine ID: 1302139

Portable Rock Plant #1 has had no fatalities among 3 reportable incidents since 1990.

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Fatalities
0
Total incidents
3
Years on record
1990–1991
Latest incident
Aug 1991
Ownership history
  1. Midwest Limestone Company Inc 1986 to 1992
  2. Martin Marietta Corp 1992 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
1993 0
1992 6
1991 3
1990 7
1989 16
1988 6
1987 7
1986 9
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.

Portable Rock Plant #1 sits in Pocahontas County, Iowa, where the Census mining category is 0.6% 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.
Pocahontas County, Iowa · Population 7,040
0.6%
Mining share of county employment
$63,423
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

3 on file

1991 · 1 incident

August 1, 1991 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Midwest Limestone Company Inc · Over-exertion in lifting objects

EMPLOYEES WERE INSTALLING A 30HP ELECTRIC MOTOR.EMPLOYEES RIGHT INDEX FINGER GOT CAUGHT BETWEEN THE MOTOR AND THE MOTOR STAND. MOTOR WAS NOT HOOKED UP.

1990 · 2 incidents

July 20, 1990 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Midwest Limestone Company Inc · Struck by falling object

EE WAS MOVING RR TIES INTO HIS LOADER BUCKET PREPRATORY TO MOVING A PIECE OF EQUIPMENT HE DROPPED A RR TIE ON HIS FINGER. INJURY CRUSHED THE FINGERTIP OF HIS RIGHT MIDDLE FINGER.