Data / Mines / Missouri / MOSenecaMfr LLC DBA American Tr
MOSenecaMfr LLC DBA American Tr: 227 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
MOSenecaMfr LLC DBA American Tr is a temporarily idled tripoli surface mine in Newton County, Missouri, operated by American Tripoli with 0 employees on MSHA's record (mine ID 2300504). Since January 1, 2022 MSHA inspectors issued 227 citations and orders there with $201,577 in proposed penalties, and 1 accident report was filed there, with 1 injury or illness case.
The request: Watch MOSenecaMfr LLC DBA American Tr (MSHA mine ID 2300504) in Newton County, Missouri: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 2300504
- Status
- Temporarily Idled since March 20, 2025
- Main commodity
- Tripoli
- Mine type
- Surface
- County
- Newton County, Missouri
- Nearest town
- Seneca
- Operator
- American Tripoli
- Parent company
- Omphalos LLC
- Employees
- 0
- MSHA field office
- Rolla MO Field Office
- Citations and orders since January 1, 2022
- 227
- Significant and substantial
- 63 (27.8%)
- Closure orders
- 30
- High negligence or reckless
- 49
- Proposed penalties
- $201,577
- Amount paid so far
- $10,600
- Inspections
- 51
- Inspector hours on site
- 676
- Citations per inspection
- 4.45 (all mines 2.30)
- Accident reports
- 1
- Injury and illness cases
- 1
- Fatalities
- 0
- Latest MSHA record
- October 20, 2026
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 28 | 10 | $21,571 | 1 |
| 2023 | 119 | 31 | $146,292 | 0 |
| 2024 | 80 | 22 | $33,714 | 0 |
Standards cited most at MOSenecaMfr LLC DBA American Tr
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 26 |
| 30 CFR 56.12032 | Surface metal and nonmetal mines | 23 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 20 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 19 |
| 30 CFR 56.20003 | Surface metal and nonmetal mines | 13 |
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 13 |
| 30 CFR 56.12028 | Surface metal and nonmetal mines | 7 |
| 30 CFR 56.5001 | Surface metal and nonmetal mines | 6 |
| 30 CFR 56.12030 | Surface metal and nonmetal mines | 6 |
| 30 CFR 56.16005 | Surface metal and nonmetal mines | 4 |
| 30 CFR 48.25 | Training of miners | 4 |
| 30 CFR 56.5005 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.12002 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.11002 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.18002 | Surface metal and nonmetal mines | 4 |
Injury and illness cases at MOSenecaMfr LLC DBA American Tr
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 1 |
What the accident reports at MOSenecaMfr LLC DBA American Tr describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Slip or fall of person | 1 |
Other open mines in Newton County, Missouri
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Neosho | Kemp Stone, Inc. | Newton County, MO | Crushed, broken limestone | 6 | 13 |
| Crain Quarry LLC dbaStone Creek Quarries | Crain Quarry LLC DBA Stone Creek Quarries | Newton County, MO | Crushed, broken limestone | 3 | 11 |
| Conner Sand & Gravel LLC | Conner Sand & Gravel LLC | Newton County, MO | Construction sand and gravel | 1 | 2 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.