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Grassy Gap Coal Company #1 Mine: 3 reportable incidents Coal

Rockcastle Company · Surface
Controlled by Mallory Donald C
773987 Steamboat Spr,Co, Routt County, CO  ·  Abandoned and Sealed
MSHA Mine ID: 0503173

MSHA record for Grassy Gap Coal Company #1 Mine (mine ID 0503173). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
3
Years on record
1984–1985
Latest incident
Jan 1985
Ownership history
  1. Rockcastle Company 1978 to present
Source: MSHA controller and operator history, updated weekly.

Grassy Gap Coal Company #1 Mine sits in Routt County, Colorado, where the Census mining category is 1.1% 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.
Routt County, Colorado · Population 24,990
1.1%
Mining share of county employment
$104,803
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

1985 · 1 incident

January 11, 1985 CO · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Rockcastle Company · Fall from machine

D9H DOZER WAS RIPPING APPROX 3 1/2 FT OF PERMAFROST FOR A SCRAPER ROAD TO UPPER LEVEL OF PIT #4 PROPOSED ROAD WAS APPROX 180 FT FROM EXISTING HIGHWALL DOZER SLID SIDEWAYS WIHT RIPPER IN GROUN D APPROX 8 IN IT WAS SO HARD OPERATOR COULD NOT GET RIPPER ANY DEEPER IT WAS NOT ENOUGH TO HOLD DOZER OPERATOR JUMPED OFF DOZER SLID TO HIGHWALL AND OVER IT APPROX 35 FT

1984 · 2 incidents

August 21, 1984 CO · Coal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Rockcastle Company · Struck against a moving object

OPERATOR WAS BACKING DOZER RAN OVER A ROCK, JAMMED SHOULDER AND NECK

August 8, 1984 CO · Coal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Rockcastle Company · Struck against a moving object

PREVIOUS SCRAPER ACROSS FILL HAD DUMPED LARGE ROCK ON INSIDE OF FILL.WHEN I.NAME CAME ACROSS FILL TO DUMP,TRAILER OF SCRAPER CAUGHT ROCK BOUNCING TRAILER OFF EDGE OF FILL.THIS PULLED TRACTOR O VER.THE SIDE OF FILL WAS SOFT CAUSING MACHINE TO ROLL.SEATBELTS WERE IN USE.