Mining Incidents

US Aggregates - Thorntown Sand & Gravel Metal/Non-Metal

US Aggregates Inc · Surface
Controlled by The Heritage Group
Thorntown, Boone County, IN  ·  Active
MSHA Mine ID: 1200582

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Fatalities
0
Total incidents
7
Years on record
2000–2021
Latest incident
Jul 2021
Compliance record
MSHA citations since 2001
28
citations
7
significant & substantial
$4,362
proposed penalties
$4,362
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 5,838 1 0 171.3
2025 Q3 4,000 0 0 0.0
2025 Q2 3,631 0 0 0.0
2025 Q1 4,111 0 0 0.0
2024 Q4 5,547 0 0 0.0
2024 Q3 6,045 0 0 0.0
2024 Q2 7,074 6 1 848.2
2024 Q1 432 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

7 on file

2021 · 1 incident

July 10, 2021 IN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
US Aggregates Inc · Contact with hot objects or substances

Welding overhead in a chute, a piece of weld slag burned through EE's pants & into boot, causing burn to foot. Initial care was first aid, but EE was later restricted from work.

2020 · 1 incident

February 5, 2020 IN · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDTOOLS (NONPOWERED)
Heritage Aggregates LLC · Struck by flying object

Using a Come Along to pull a piece of metal into place to weld it. EE was jacking the Come Along & a link in the chain on the Come Along failed, springing back and struck EE in the face-above eye and on forehead.

2017 · 2 incidents

September 9, 2017 IN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Heritage Aggregates LLC · Struck against stationary object

While changing out roller, they reached inside framework to move the roller, roller stuck on conveyor belt. They pulled hard, roller broke free, caused hand to contact with sharp metal on old conveyor truss framework.

May 24, 2017 IN · Metal/Non-Metal assistant mine foreman, assistant mine manager HANDLING OF MATERIALS
Heritage Aggregates LLC · Struck against stationary object

A log got stuck in the dredge hopper. EE got supports to block the grizzly from moving. EE was positioning the support by reaching through the handrails. The support slipped, the grizzly kept descending and struck EE's hardhat. EE pulled head back, cutting nose on the handrail.

2001 · 1 incident

May 24, 2001 IN · Metal/Non-Metal backhoe operator, trackhoe operator, crane operator HANDLING OF MATERIALS
U S Aggregates, Inc. · Struck against stationary object

EMPLOYEE'S HARD HAT DROPPED AND EMPLOYEE REACHED DOWN TO PICK IT UP AND HE STRUCK IS HEAD ON THE STEEL GUARD ON THE CRANE. EMPLOYEE CUT THE TOP OF HIS HEAD AND HAD TO HAVE 2 STITCHES.

2000 · 2 incidents

August 21, 2000 IN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
U S Aggregates, Inc. · Over-exertion in lifting objects

EMPLOYEE WAS REMOVING ROCK FROM THE CRUSHER. WHILE LIFTING THE ROCK HE FELT SOMETHING PULL IN HIS LOWER STOMACH. HE WAS FIRST DIAGNOSED AS LOWER ABDOMINAL STRAIN, BUT NOW IS BEING CHECKED FOR KIDNEY STONES. EMPLOYEE IS RESTRICTED.

February 17, 2000 IN · Metal/Non-Metal miner, nec MACHINERY
U S Aggregates, Inc. · Contact with hot objects or substances

EMPLOYEE WAS WELDING THE FEED HOPPER. HOT SLAG GOT ON EMPLOYEE AND IT WENT THROUGH HIS COVERALLS & BURNED HIS EYE. HE USED OINTMENT FROM HOME. LATER IT BECAME INFECTED, HE WENT TO DOCTOR ON 2-23-2000.