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Read Screen: 1 reportable incident Metal/Non-Metal

Controlled by Knife River Corporation
Sioux Falls, Minnehaha County, SD  ·  Abandoned
MSHA Mine ID: 3901496

Read Screen has had no fatalities among 1 reportable incident since 2004.

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Fatalities
0
Total incidents
1
Years on record
2004
Latest incident
Sep 2004
Inspection activity
MSHA inspections since 2004
2
inspections on record
18
inspection hours
n/a
citations per 100 inspection hours
ⓘ This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 18 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Ownership history
  1. Concrete Materials Company 2006 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2006 1
2005 0
2004 2
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.

Read Screen sits in Minnehaha County, South Dakota, 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.
Minnehaha County, South Dakota · Population 200,689
0.1%
Mining share of county employment
$76,074
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘ Citations per million reported employee-hours. Rates begin in 2000; earlier incidents are counted but not rate-adjusted, though reported hours reach back to 1983. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2006 Q2 160 0 0 0.0
2006 Q1 0 0 0
2005 Q4 0 0 0
2005 Q3 0 0 0
2005 Q2 0 0 0
2005 Q1 0 0 0
2004 Q4 936 0 0 0.0
2004 Q3 310 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2004 · 1 incident

September 23, 2004 SD · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Unknown operator · Struck by flying object

TWO EMPLOYEES WERE REPLACING A WINDOW IN A LOADER. THE WINDS WERE VERY STRONG, BLOWING AROUND A LOT OF DUST, DIRT AND SAND. ONE EMPLOYEE FELT SOMETHING BLOW IN HIS LEFT EYE. LATER IT SEEMED OK; COULD NOT SEE ANYTHING IN IT. FRIDAY MORNING IT SEEMED OK; LATER HE SAW A PARTICLE ON THE SURFACE. TRIED TO WASH IT OUT WITHOUT SUCCESS. HE WENT TO THE CLINIC.