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QUEEN CREEK PIT Metal/Non-Metal

M R TANNER MINING INC · Surface

Controlled by Maurice R Tanner Jr

Queen Creek, Pinal County, AZ · Active

MSHA Mine ID: 0203162

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Fatalities: 0
Total incidents: 1
Years on record: 2025
Latest incident: Dec 2025

Compliance record

MSHA citations since 2008

citations

significant & substantial

$10,712

proposed penalties

$10,410

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2025 Q4	5,746	0	0	0.0
2025 Q3	6,143	1	0	162.8
2025 Q2	6,502	0	0	0.0
2025 Q1	5,274	6	1	1137.7
2024 Q4	5,038	0	0	0.0
2024 Q3	5,844	1	0	171.1
2024 Q2	5,586	0	0	0.0
2024 Q1	5,705	0	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

1 on file

2025 · 1 incident

December 22, 2025 AZ · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON

M R TANNER MINING INC · Fall onto or against objects

Employee was helping to dig out a conveyor when they walked around the skid steer and stepped on the skid steer bucket when they slipped and fell on the bucket causing their hard hat to fall off and hitting their head on the bucket bolt. This caused a laceration on the top of their head requiring 15 staples.