Mining Incidents

Alder Plant: 1 reportable incident Metal/Non-Metal

Luzenac America, Inc. · Facility
Controlled by Imerys S A
Madison County, MT  ·  Abandoned
MSHA Mine ID: 2400164

MSHA record for Alder Plant (mine ID 2400164). 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
1986
Latest incident
Mar 1986
Ownership history
  1. Cyprus Industrial Minerals Company 1950 to 1980
  2. Cyprus Industrial Minerals Company 1980 to 1992
  3. Luzenac America, Inc. 1992 to present
Source: MSHA controller and operator history, updated weekly.

Alder Plant sits in Madison County, Montana, where the Census mining category is 2.4% 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.
Madison County, Montana · Population 8,975
2.4%
Mining share of county employment
$67,420
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

1986 · 1 incident

March 6, 1986 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON

EMP WAS COMING 8OWN STAIRS AT THE PLANT AND NEAR THE BOTTOM STAIR TRIPPED ON G RIP STRUT AND F ELL. HAND HIT CONCRETE AT BOTTOM HARD CAUSING HAIR LINE FRACTURES OF 2 FINGERS