Amity Rd. Quarry Metal/Non-Metal

Kamph Rock Crushing Co. Inc. · Surface

Controlled by John F Kamph

Amity, Yamhill County, OR · Active

MSHA Mine ID: 3503917

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Compliance record

MSHA citations since 2021

citations

significant & substantial

$1,579

proposed penalties

$1,579

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	Per 1M hrs
2025 Q4	4,003	1	249.8
2025 Q3	4,997	0	0.0
2025 Q2	5,438	0	0.0
2025 Q1	4,005	0	0.0
2024 Q4	4,289	0	0.0
2024 Q3	60	0	0.0
2024 Q2	60	0	0.0
2024 Q1	60	0	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

March 9, 2026 OR · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDTOOLS (NONPOWERED)

Kamph Rock Crushing Co. Inc. · Struck by flying object

Miner was using a metal bar to chip away some material buildup and on the up stroke of their swing, struck them in the forehead.