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W Thomas Mackall controller

MSHA controller ID: C00082

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Email me when a new MSHA incident is filed at any mine W Thomas Mackall controls.

Fatalities: 1
Total incidents: 125
Mines on record: 9
Years on record: 2000–2025

Compliance record

MSHA citations since 2000

2,221

citations

650

significant & substantial

$911,953

proposed penalties

$672,058

paid to date

Source: MSHA violations data, updated weekly.

Top causes

FALL OF ROOF OR BACK 1 fatality · 54 non-fatal
HANDLING OF MATERIALS 22 non-fatal
SLIP OR FALL OF PERSON 14 non-fatal
HANDTOOLS (NONPOWERED) 12 non-fatal
POWERED HAULAGE 9 non-fatal
MACHINERY 8 non-fatal

Incident timeline

2025

2024

2020

2019

2018

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2015

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2012

2011

11 (1f)

2010

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2000

Operators under this controller

Mines on record

Fatalities under this controller

1 recorded

April 25, 2011 OH · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) Fatality · FALL OF ROOF OR BACK

Subtropolis Mining Co. · Struck by falling object

An employee was struck by a slab of rock that measured approximately 8 inches to 12 inches thick by 50 to 70 inches wide by 74 inches long. The roof fall occurred at the 34 Main between crosscut 1 North 4 and 1 North 5.