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1046 Shaw Metal/Non-Metal

Arcosa Aggregates · Surface

Controlled by Arcosa, Inc

Coolidge, Maricopa County, AZ · Intermittent

MSHA Mine ID: 0203519

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

Compliance record

MSHA citations since 2025

citations

significant & substantial

$4,109

proposed penalties

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	3,976	0	0	0.0
2025 Q3	4,329	0	0	0.0
2025 Q2	3,482	7	5	2010.3
2024 Q4	1,002	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 9, 2025 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDTOOLS (NONPOWERED)

Arcosa Aggregates · Struck by... (Not Elsewhere Classified)

The injured employee and another employee were attempting to clear out a plugged jaw discharge chute. While hitting the chute with a sledge hammer in order to dislodge the plug, the injured employee hit the edge of the chute, pinching a finger between the chute and the handle of the hammer, fracturing the tip of their finger.