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Conjecture Mine: 2 reportable incidents Metal/Non-Metal

Minerals Management Inc · Underground
Controlled by Lawrence T Atkinson
Bonner County, ID  ·  Abandoned
MSHA Mine ID: 1000411

MSHA record for Conjecture Mine (mine ID 1000411). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
2
Years on record
1983
Latest incident
Oct 1983
Ownership history
  1. Minerals Management Inc 1980 to present
Source: MSHA controller and operator history, updated weekly.

Conjecture Mine sits in Bonner County, Idaho, 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.
Bonner County, Idaho · Population 49,456
0.3%
Mining share of county employment
$65,168
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

2 on file

1983 · 2 incidents

October 19, 1983 ID · Metal/Non-Metal ledgeman/hand, quarry man EXPLOSIVES AND BREAKING AGENTS
Minerals Management Inc · Struck by flying object

IGNITER CORD WENT OFF AFTER LIGHTING LE-LITE WITH MATCHES, DIDN\T RELIZE HOW MUCH TIME HAD LAPSED AND 1ST BURN CUT BLAST 1 HOLE WENT OFF ROCK (SMALL) RICOCHETED OFF RIGHT RIB CAUGHT THEM APPRO X. 35\ FROM FACE, THEY STOPED AFTER IGNITING FACE ROUND TO LE-LITE AIR MOVER TO SAFETY FUSE IT WAS HUNG ON HE HAD SEVERAL SMALL PUNTURE ROCK WOUND, SMALL ROCKS INSEDDED CLOSE TO RIGHT JAW.

October 19, 1983 ID · Metal/Non-Metal ledgeman/hand, quarry man EXPLOSIVES AND BREAKING AGENTS
Minerals Management Inc · Struck by flying object

IGNITER CORD WENT OFF AFTER LIGHTING RELITE IT WITH MATCHES,DIDNT RELIZE HOW MUCH TIME HAD LAPSED AND 1ST BURN CUT BLAST 1 HOLE WENT OFF ROCKS SMALL RIGOCHETED OFF RIGHT RIB CAUGHT THEM 35\FRO M FACE STOPPED AFTER IGNITING FREE ROUND TO RETIE AIR MOVER TO SAFETY FUSE IT WAS HUNG ON.HAD SMALL ROCK PUNCTURE WOUNDS ON RIGHT SIDE OF FACE.