Mining Incidents

Markgraf Materials Company operator

Controlled by Prairie Group
MSHA operator ID: L03542
Fatalities
0
Total incidents
21
Mines on record
1
Years on record
1987–1996

Top causes

Incident timeline

1996
1
1995
1
1994
1
1993
1
1991
2
1990
4
1989
3
1988
3
1987
5

Mines on record

Watch this operator

Email me when a new MSHA incident is filed at any Markgraf Materials Company mine.

For insurers, brokers, and safety consultants

The full compliance file on Markgraf Materials Company

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.