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Portable Screen #1: 1 reportable incident Metal/Non-Metal

Controlled by Peter Kiewit Sons' Inc
Sheridan County, WY  ·  Abandoned
MSHA Mine ID: 4801236

MSHA record for Portable Screen #1 (mine ID 4801236). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
1
Years on record
1989
Latest incident
Jun 1989
Ownership history
  1. Guernsey Stone & Construction Company 1979 to present
Source: MSHA controller and operator history, updated weekly.

Portable Screen #1 sits in Sheridan County, Wyoming, where the Census mining category is 4.6% 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.
Sheridan County, Wyoming · Population 31,585
4.6%
Mining share of county employment
$70,855
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

1 on file

1989 · 1 incident

June 5, 1989 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Guernsey Stone & Construction Company · Caught in, under or between (Not Elsewhere Classified)

PORTABLE POWER SCREEN WAS PARKED ON EDGE OF FOREST SERVICE ROAD.CREWS WERE SETTING UP FOR OPERATION.VICTIM AND TWO OTHER EMPLOYEES WERE UNFOLDING THE END DELIVERY CONVEYOR.A LOADER WAS HOOKED TO HEAD PULLEY AND PULLED CONVEYOR TO ITS EXTENDED POSITION.TWO 1/2" BOLTS WERE PUT INTO THE SECOND SECTION TO PREVENT FOLDING.VICTIM CRAWLED UP CONVEYOR TO UNHOOK LOADER.IT WAS UNHOOKED AND O