Mining Incidents

Highland Operation: 6 reportable incidents Metal/Non-Metal

Controlled by Exxon Corp
Converse County, WY  ·  Abandoned
MSHA Mine ID: 4800466

MSHA record for Highland Operation (mine ID 4800466). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
6
Years on record
1983–1984
Latest incident
Apr 1984
Ownership history
  1. Exxon Minerals Company 1950 to present
Source: MSHA controller and operator history, updated weekly.

Highland Operation sits in Converse County, Wyoming, where the Census mining category is 14.1% 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.
Converse County, Wyoming · Population 13,759
14.1%
Mining share of county employment
$79,164
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

6 on file

1984 · 3 incidents

April 18, 1984 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Exxon Minerals Company · Caught in, under or between a moving and a stationary object

WHILE HELPING ANOTHER PERSON UNLOAD FOUR DRAWER FILE CABINETS ROM A PICKUP I.AMEHAND WAS CAUGHT BETWEEN THE PICKUP TAILGATE AND THE BOTTOM OF THE FILE CABINET

April 11, 1984 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Exxon Minerals Company · Struck against stationary object

WHILE WAITING FOR THE SCRAPERS TO RETURN I.NAME WAS GOING TO CLEAN HIS TRACKS. THE SPADE WAS SED WEDGED BETWEEN THE CAB AND THE FUEL TANK. WHILE TRYING TO PULL THE SPADE OUT HIS HAND SLIPPED AND HE CUT HIS FINGER ON A SHARP BURR OF STEEL ON THE CAB

February 15, 1984 WY · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Exxon Minerals Company · Inhalation of radiations, caustics, toxic and noxious substances

WHILE OPERATING THE GRIND-LEACH CIRCUIT IN THE MILL, GEORGE FELT DIZZY AND SHORT OF BREATH. HE STATES THAT THE STAINLESS STEEL WELDING THAT WAS OCCURRING ABOUT 50\ AWAY GAVE OFF FUMES THAT CAU SED THIS CONDITION

1983 · 3 incidents

November 23, 1983 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Exxon Minerals Company · Struck by falling object

WHILE REMOVING A 6" VALVE FROM A SURPLUS TANK THE EE REMOVED ALL BUT ONE NUT FROM THE BOLTS. WHILE SQUATTING DOWN SHAKING THE VALVE TO REMOVE THE BOLTS, THE LAST NUT FELL OFF CAUSING THE VAL VE TO FALL, FIRST STRIKING HIS LEFT SHOULDER CAUSING HIM TO SLIP IN THE SNOW THEN ON TO HIS LEFT LOWER LEG.

October 10, 1983 WY · Metal/Non-Metal HANDLING OF MATERIALS
Exxon Minerals Company · Caught in, under or between a moving and a stationary object

WHILE LOADING BLAST HOLES MR DENNIS WAS PULLING THE LOADING POLES OUT OF THE HOLE AND GRABBED AT THE JOINT OF TWO POLES. THE TOP POLE FELL OVER PINCHING HIS HAND AT THE JOINT THIS CAUSED A LAR GE LACERATION THROUGH HIS GLOVE BETWEEN THE THUMB AND THE INDEX FINGER

February 16, 1983 WY · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDLING OF MATERIALS
Exxon Minerals Company · Struck by falling object

SETTING REBUILT DIAPHRAM PUMP VALVE ON STORAGE SHELF IN THE WAREHOUSE. HE HAD SET ONE VALVE ON A 5\ SHELF AND WAS SETTING A SECOND ONE UP WHEN THE FIRST FELL HITTING HIM ON THE LEFT HAND. EACH VALVE WEIGHS 40 LBS.