Mining Incidents

Upper Bell Metal/Non-Metal

Rock Pros USA LLC · Surface
Mayer, Yavapai County, AZ  ·  Intermittent
MSHA Mine ID: 0203535

MSHA record for Upper Bell (mine ID 0203535). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2026
1
citations
0
significant & substantial
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2026
1
inspections on record
0
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 0 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

For insurers, brokers, and safety consultants

The full compliance file on Upper Bell

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.