# Rohr Excavating Ltd

- **MSHA mine ID:** 3304662
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Coshocton, OH
- **Operator:** Rohr Excavating Ltd
- **Controller:** Montell J  Rohr
- **Public source rows linked:** 267
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Montell J  Rohr (0099173) → Rohr Excavating Ltd (0117125) → Rohr Excavating Ltd (3304662)**

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

## Controller and operator valid-time history

- **Montell J  Rohr → Rohr Excavating Ltd:** 2011-02-15 through current/open; derived from co-tenure at mine 3304662; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 14 since 2021:** Violations and penalties 58 violation rows across the full record; 11 carry an S&S flag and $8,294 appears in current assessed amounts.
3. **HEALTH — 10 samples:** Occupational health samples 10 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 322 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 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 — 11 since 2021:** Inspections 30 inspection events and 396 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 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **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 56.23002 — Written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23002
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002

## Source coverage

- **Addresses of Record:** 1 rows; 2025-05-09 through 2025-05-09; source ID `msha-addresses`
- **Assessed Violations:** 58 rows; 2011-05-05 through 2025-09-08; source ID `msha-assessed-violations`
- **Controller and Operator History:** 1 rows; 2011-02-15 through 2011-02-15; source ID `msha-controller-operator-history`
- **Inspections:** 30 rows; 2011-05-05 through 2025-11-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 88 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 20 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:** 10 rows; 2012-04-25 through 2025-09-09; source ID `msha-personal-health-samples`
- **Violations:** 58 rows; 2011-05-05 through 2025-09-08; 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/rohr-excavating-ltd-3304662`
- JSON: `/api/v1/mines/rohr-excavating-ltd-3304662`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3304662/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3304662/relationships`
- MCP resource: `mine://3304662/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`