# PLANT #16

- **MSHA mine ID:** 4703425
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Dodge, WI
- **Operator:** MICHELS ROAD & STONE, INC
- **Controller:** M10 Inc
- **Public source rows linked:** 572
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**M10 Inc (0165247) → MICHELS ROAD & STONE, INC (0179456) → PLANT #16 (4703425)**

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

## Controller and operator valid-time history

- **Michels Corporation → MICHELS CORPORATION:** 2005-06-13 through 2021-10-31; derived from co-tenure at mine 4703425; source `msha-controller-operator-history`.
- **M10 Inc → MICHELS ROAD & STONE, INC:** 2021-11-01 through current/open; derived from co-tenure at mine 4703425; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 — 0 since 2021:** Violations and penalties 11 violation rows across the full record; 1 carry an S&S flag and $1,403 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 7 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 2K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 12 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 4 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 8 since 2021:** Inspections 24 inspection events and 225 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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.7002 — Equipment defects.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-F/section-56.7002
- **30 CFR 56.9300 — Berms or guardrails.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **30 CFR 56.20008 — Toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20008
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018

## Source coverage

- **Addresses of Record:** 1 rows; 2025-11-05 through 2025-11-05; source ID `msha-addresses`
- **Assessed Violations:** 11 rows; 2005-08-16 through 2019-10-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2016-05-05 through 2023-11-08; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 4 rows; 2005-09-20 through 2015-06-30; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2015-05-12 through 2023-05-02; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 278 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 62 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2005-06-13 through 2021-11-01; source ID `msha-controller-operator-history`
- **Inspections:** 24 rows; 2005-08-16 through 2026-08-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 142 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 21 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:** 7 rows; 2015-05-12 through 2025-09-23; source ID `msha-personal-health-samples`
- **Violations:** 11 rows; 2005-08-16 through 2019-10-08; 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/plant-16-4703425`
- JSON: `/api/v1/mines/plant-16-4703425`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4703425/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4703425/relationships`
- MCP resource: `mine://4703425/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`