# J & N Stone LLC

- **MSHA mine ID:** 4703288
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Grant, WI
- **Operator:** J & N Stone LLC
- **Controller:** Ronald J  Yager; Nicholas J  Yager
- **Public source rows linked:** 462
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Ronald J  Yager; Nicholas J  Yager (0040671) → J & N Stone LLC (0050270) → J & N Stone LLC (4703288)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Nicholas J  Yager et al → J & N Stone LLC:** 2001-08-30 through current/open; derived from co-tenure at mine 4703288; source `msha-controller-operator-history`.
- **Ronald J  Yager et al → J & N Stone LLC:** 2001-08-30 through current/open; derived from co-tenure at mine 4703288; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 11 since 2021:** Violations and penalties 131 violation rows across the full record; 25 carry an S&S flag and $33,620 appears in current assessed amounts.
3. **HEALTH — 3 samples:** Occupational health samples 3 personal. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 1K employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 26 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 0 civil-penalty docket/decision rows, and 23 conference records linked by issuance number.
6. **CONTRACTORS — 0 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 5 since 2021:** Inspections 43 inspection events and 536 published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.12023 — Guarding electrical connections and resistor grids.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12023
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **30 CFR 47.44 — Temporary, portable containers.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 56.14105 — Procedures during repairs or maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14105
- **30 CFR 56.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.11004 — Portable rigid ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11004
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001

## Source coverage

- **Addresses of Record:** 1 rows; 2012-07-15 through 2012-07-15; source ID `msha-addresses`
- **Assessed Violations:** 129 rows; 2001-10-02 through 2026-04-29; source ID `msha-assessed-violations`
- **Conferences:** 23 rows; 2012-08-21 through 2016-07-07; source ID `msha-conferences`
- **Contested Violations:** 3 rows; 2014-09-02 through 2014-09-02; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 2001-08-30 through 2001-08-30; source ID `msha-controller-operator-history`
- **Inspections:** 43 rows; 2001-10-02 through 2026-04-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 100 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 26 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 3 rows; 2011-08-17 through 2019-09-25; source ID `msha-personal-health-samples`
- **Violations:** 131 rows; 2001-10-02 through 2026-04-29; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/j-n-stone-llc-4703288`
- JSON: `/api/v1/mines/j-n-stone-llc-4703288`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4703288/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4703288/relationships`
- MCP resource: `mine://4703288/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`