Cooley Knoll Pit Metal/Non-Metal

Perkins Cinders, Inc. · Surface

Controlled by E Kay Perkins

Taylor, Navajo County, AZ · Temporarily Idled

MSHA Mine ID: 0202969

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Compliance record

MSHA citations since 2002

citations

significant & substantial

$9,755

proposed penalties

$9,755

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Per 1M hrs
2025 Q4	0
2025 Q3	0
2025 Q2	0
2025 Q1	0
2024 Q4	0
2024 Q3	0
2024 Q2	693	0.0
2022 Q2	1,108	0.0

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

No fatalities recorded at this mine.

1 on file

April 27, 2007 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS

Perkins Cinders, Inc. · Caught in, under or between (Not Elsewhere Classified)

EE changing air filter on loader. The hood fell smashing his left hand. Hand swollen & bruised.