Mining Incidents

Subtropolis Mining Co. operator

Controlled by W Thomas Mackall
MSHA operator ID: 0062063

Watch this operator

Email me when a new MSHA incident is filed at any Subtropolis Mining Co. mine.

Fatalities
1
Total incidents
29
Mines on record
1
Years on record
2005–2025
Compliance record
MSHA citations since 2005
514
citations
108
significant & substantial
$290,702
proposed penalties
$163,943
paid to date
Source: MSHA violations data, updated weekly.

Top causes

Incident timeline

2025
1
2024
1
2020
2
2019
1
2018
3
2017
2
2016
3
2015
1
2013
1
2012
2
2011
3 (1f)
2010
3
2009
3
2008
1
2007
1
2005
1

Mines on record

Fatalities under this operator

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.