Mining Incidents

Lisbon Pit Metal/Non-Metal

Lannon, Waukesha County, WI  ·  Active
MSHA Mine ID: 4702517

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Fatalities
0
Total incidents
23
Years on record
2002–2026
Latest incident
May 2026
Compliance record
MSHA citations since 2000
116
citations
19
significant & substantial
$12,716
proposed penalties
$12,624
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 9,243 0 0 0.0
2025 Q3 572 1 0 1748.3
2025 Q2 9,078 0 0 0.0
2024 Q4 8,657 0 0 0.0
2024 Q3 655 2 0 3053.4
2024 Q2 11,740 0 0 0.0
2023 Q4 10,429 0 0 0.0
2023 Q2 10,762 1 0 92.9
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

23 on file

2026 · 1 incident

May 21, 2026 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Lannon Stone Products, Inc. · Caught in, under or between a moving and a stationary object

Miner was taking the pin retainer cap off of an excavator bucket (heavy round collar weighing about 30-40lbs). EE had to remove three bolts holding the collar on. It released easier than expected. EE's fingers were crushed between the collar and the bucket, breaking EE's left ring, and middle, fingers.

2024 · 1 incident

October 14, 2024 WI · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Lannon Stone Products, Inc. · Over-exertion (Not Elsewhere Classified)

Miner was laying down changing a plate on the bottom of the screens on our plant. It is a very awkward position to change them and EE twisted wrong, causing pain in EE's back.

2023 · 5 incidents

December 1, 2023 WI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Lannon Stone Products, Inc. · Struck against stationary object

Miner was using big bar on conveyor belt of rock crusher machine, rock wedged on machine, worker went to remove wedged rock, right hand slipped, smashing finger against a rock.

November 9, 2023 WI · Metal/Non-Metal miner, prospector, nec POWERED HAULAGE
Lannon Stone Products, Inc. · Struck against a moving object

EE was having neck pain due to a massive boulder being loaded into EE's AT2 from another loader. The loading of this boulder caused the AT2 to jerk, causing whip lash to EE resulting in major neck pain.

August 8, 2023 WI · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Lannon Stone Products, Inc. · Over-exertion (Not Elsewhere Classified)

The employee was pulling a piece of removable catwalk out of an HSI and EE pivoted the wrong way and twisted right knee. The knee is swollen.

March 14, 2023 WI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Lannon Stone Products, Inc. · Over-exertion (Not Elsewhere Classified)

EE was moving lines under a 100-ton conveyor. The Allen key EE was using to hold the bolts, wrapped around EE's glove and twisted EE's pinky finger resulting in a sprain to the finger.

2022 · 4 incidents

May 23, 2022 WI · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Lannon Stone Products, Inc. · Struck by falling object

The employee was replacing the angle iron brace on a metal door. The employee was in a man lift and the door swung down and hit them on the head and the top of the bar on the man lift.

February 8, 2022 WI · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Lannon Stone Products, Inc. · Caught in, under or between (Not Elsewhere Classified)

Climbed over feeder onto the metal lip between feeder and box and foot got stuck

January 14, 2022 WI · Metal/Non-Metal miner, prospector, nec HANDTOOLS (NONPOWERED)
Lannon Stone Products, Inc. · Struck against stationary object

While repairing a fender in the shop, EE missed the fender while breaking it loose with the sledgehammer which caused EE's hand to strike the fender. This caused an injury to EE's left pinky nail.

2020 · 2 incidents

November 2, 2020 WI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Lannon Stone Products, Inc. · Bodily reaction, (Not Elsewhere Classified)

EE states EE was assisting to clear a flocculent line when EE noticed that the hose line was starting to move as if it was about to fail. EE states EE abruptly turned to run and shut off the air feeding the line, when EE heard the line pop EE turned back to see the extent of the failure. EE believes when EE abruptly turned one way then back the other EE damaged EE's knee.

July 25, 2020 WI · Metal/Non-Metal miner, prospector, nec MACHINERY
Lannon Stone Products, Inc. · Struck by falling object

EE was welding in the HSI crusher. After welding for approximately 4 hours, EE states that a rock "the size of a softball" became dislodged from the crusher above EE and struck EE on head.

2019 · 2 incidents

October 18, 2019 WI · Metal/Non-Metal safety director SLIP OR FALL OF PERSON
Lannon Stone Products, Inc. · Over-exertion (Not Elsewhere Classified)

While building a temporary staircase at the Lisbon Scale House, EE stepped off the stairs onto unstable gravel. EE caught the edge of the stairwell with EE's left hand for balance, but then slipped another 2', causing EE to strain EE's left shoulder. EE immediately had pain when attempting to rotate EE's shoulder in any direction.

January 4, 2019 WI · Metal/Non-Metal miner, prospector, nec NONPOWERED HAULAGE
Lannon Stone Products, Inc. · Over-exertion in lifting objects

Miner was maneuvering wooden blocks away from a dozer receiving service, using a hand truck. EE's angle for moving the wooden blocks required EE to duck under some equipment and as EE did so, EE felt pain in EE's lower back.

2018 · 1 incident

December 6, 2018 WI · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Lannon Stone Products, Inc. · Over-exertion in lifting objects

Two Miners and one supervisor were installing 24" x 25' plastic pipes. Normally equipment is used to place pipes, but this was impossible due to the location of this specific section of pipe. Miners were physically moving the pipe into place by hand. Miner felt lower-right back and leg pain while lifting and pushing pipe into place.

2012 · 1 incident

April 10, 2012 WI · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Lannon Stone Products, Inc. · Over-exertion in lifting objects

Moving a board over his head, sliding it, then a big couple of popping noises came out of his arm and then it felt like something tore in his forearm.

2011 · 1 incident

May 19, 2011 WI · Metal/Non-Metal ledgeman/hand, quarry man MACHINERY
Lannon Stone Products, Inc. · Contact with hot objects or substances

Cutting a piece of metal with a cutting torch the piece fell and EE swung his arm down watching the piece fall and torch burned his shin.

2008 · 1 incident

January 28, 2008 WI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Lannon Stone Products, Inc. · Fall onto or against objects

EE was standing on the deck of a loader and was cleaning off the snow from the hood. His right foot slipped out from underneath him and he left shoulder fell against the hood of the loader.

2007 · 2 incidents

March 28, 2007 WI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Lannon Stone Products, Inc. · Struck by... (Not Elsewhere Classified)

EE was splicing a cord (straight line down & away from himself with a circle cut around cord at the end) and he grabbed the cord to pull it off. He was pulling the cord off & towards himself the knife in hand. His hand slipped off cord, & the knife cut his thumb & 1/3 of his tendon. EE got a few stitches on the tendon about 9 on the outside.

January 11, 2007 WI · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler MACHINERY
Lannon Stone Products, Inc. · Over-exertion (Not Elsewhere Classified)

Pushing in a catwalk on a Hitachi backhoe and tore the muscles in his shoulder.

2002 · 2 incidents

August 13, 2002 WI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Lannon Stone Products, Inc. · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS SHOVELING WET SAND IN OUR SUSSEX PIT AND WENT TO TURN SIDEWAYS AND THEN FELT SOMETHING PULL IN LOWER BACK.