← Back to search

Backbone Quarry Metal/Non-Metal

River Valley Quarries LLC · Surface

Controlled by Melinda S Kemp; James A Kemp

Midland, Sebastian County, AR · Active

MSHA Mine ID: 0302053

Watch this mine

Email me when a new MSHA incident is filed at Backbone Quarry.

Fatalities: 0
Total incidents: 1
Years on record: 2020
Latest incident: Mar 2020

Compliance record

MSHA citations since 2016

citations

significant & substantial

$5,916

proposed penalties

$5,916

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	6,730	0	0.0
2025 Q3	6,577	0	0.0
2025 Q2	6,558	0	0.0
2025 Q1	6,105	0	0.0
2024 Q4	6,166	1	162.2
2024 Q3	7,361	0	0.0
2024 Q2	7,758	1	128.9
2024 Q1	7,397	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

2020 · 1 incident

March 23, 2020 AR · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer EXPLODING VESSELS UNDER PRESSURE

River Valley Quarries LLC · Struck by flying object

while servicing a 980 Cat wheel loader and adding air to the tire, the tire sidewall blew out, throwing the injured to the ground requiring stitches for injuries to tongue.