# ROCKLAND MINE

- **MSHA mine ID:** 4201989
- **Status:** Active
- **Type / commodity:** Surface / Common Shale
- **Location:** Emery, UT
- **Operator:** Miracle Rock Mining
- **Controller:** David  Taylor
- **Public source rows linked:** 695
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**David  Taylor (M36366) → Miracle Rock Mining (L36366) → ROCKLAND MINE (4201989)**

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

## Controller and operator valid-time history

- **David  Taylor → Miracle Rock Mining:** 1986-09-01 through current/open; derived from co-tenure at mine 4201989; 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 — 38 since 2021:** Violations and penalties 90 violation rows across the full record; 15 carry an S&S flag and $13,211 appears in current assessed amounts.
3. **HEALTH — 61 samples:** Occupational health samples 59 personal; 2 area. 4 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 7K employee hours and 20 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 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 — 17 since 2021:** Inspections 73 inspection events and 1K 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 56.13030 — Boilers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13030
- **30 CFR 56.4402 — Safety can use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402
- **30 CFR 56.15002 — Hard hats.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15002
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.6132 — Magazine requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-E/section-56.6132
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.4130 — Electric substations and liquid storage facilities.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.4603 — Closure of valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4603

## Source coverage

- **Addresses of Record:** 1 rows; 2007-12-06 through 2007-12-06; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 2 rows; 2022-01-07 through 2023-11-29; source ID `msha-area-samples`
- **Assessed Violations:** 87 rows; 2000-01-20 through 2025-12-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2026-06-17 through 2026-06-17; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 2 rows; 2025-12-04 through 2025-12-04; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 1986-09-01 through 1986-09-01; source ID `msha-controller-operator-history`
- **Inspections:** 73 rows; 2000-01-20 through 2026-09-25; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 299 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 78 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:** 59 rows; 2010-06-30 through 2026-09-29; source ID `msha-personal-health-samples`
- **Violations:** 90 rows; 2000-01-20 through 2026-09-28; 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/rockland-mine-4201989`
- JSON: `/api/v1/mines/rockland-mine-4201989`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4201989/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4201989/relationships`
- MCP resource: `mine://4201989/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`