Mining Incidents

Alto Mine: 4 reportable incidents Metal/Non-Metal

Glamis Gold Inc · Surface
Controlled by Glamis Gold Ltd
Tuolumne County, CA  ·  Abandoned
MSHA Mine ID: 0405103

MSHA record for Alto Mine (mine ID 0405103). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
4
Years on record
1990–1991
Latest incident
Sep 1991
Ownership history
  1. Glamis Gold Inc 1990 to present
Source: MSHA controller and operator history, updated weekly.

Alto Mine sits in Tuolumne County, California, where the Census mining category is 0.3% 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.
Tuolumne County, California · Population 54,873
0.3%
Mining share of county employment
$72,259
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

4 on file

1991 · 3 incidents

September 10, 1991 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OCCUPATIONAL SKIN DISEASES
Glamis Gold Inc · Absorption of radiations, caustics, toxic and noxious substances

EMPLOYEE DEVELOPED AN ALLERGY TO THE CYANIDE AND CAUSTIC SOLUTIONS USED FOR PROCESSING. A MINOR RASH WAS OBSERVED ON HIS FOREARMS AND HANDS.

May 20, 1991 CA · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Glamis Gold Inc · Absorption of radiations, caustics, toxic and noxious substances

THE EMPLOYEE DEVELOPED AN ALLERGY TO THE CYANIDE AND CAUSTIC SOLUTIONS USED FOR PROCESSING. A MINOR RASH WAS OBSERVED ON HIS FOREARMS AND HANDS.

March 29, 1991 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Glamis Gold Inc · Fall onto or against objects

INJURED WAS CLEANING OUT A DRAINAGE TRENCH AT THE MILL.HE HAD NOT THOROUGHLY CLEANED HIS RUBBER BOOTS AND SOME DIESEL FULE RESIDUE MADE THEN SLIPPERY.HE SLIPPED AND FELL BACKWARDS HITTING HIS NECK ON A 6 INCH PVC PIPELINE.

1990 · 1 incident

September 10, 1990 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Glamis Gold Inc · Fall to the walkway or working surface

I.NAME FAILED TO MAINTAIN PROPER FOOTING ON SLIPPERY LEACH PAD HDPE LINING WHILE CONSTRUCTING A PVC PIPELINE.SLIPPED & FELL.TAKEN TO HOSPITAL FRO X-RAYS AND TREATMENT.IT WAS DETERMINED TO BEA SPRAINED ANKLE AND WOULD RETURN TO DR 9-19-90.