# All Rock

- **MSHA mine ID:** 0405172
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Calaveras, CA
- **Operator:** All Rock
- **Controller:** Sharon  McLaughlin
- **Public source rows linked:** 497
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Sharon  McLaughlin (0129203) → All Rock (L30272) → All Rock (0405172)**

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

## Controller and operator valid-time history

- **Gene  Mc Laughlin → All Rock:** 1992-02-01 through 2016-04-10; derived from co-tenure at mine 0405172; source `msha-controller-operator-history`.
- **Sharon  McLaughlin → All Rock:** 2016-04-11 through current/open; derived from co-tenure at mine 0405172; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 10 historical accident/injury rows; 0 coded fatalities and 531 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 119 violation rows across the full record; 52 carry an S&S flag and $21,330 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 personal. 1 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 84 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 2 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 — 0 since 2021:** Inspections 52 inspection events and 666 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 56.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **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 56.11027 — Scaffolds and working platforms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11027
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.13015 — Inspection of compressed-air receivers and other unfired pressure vessels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13015
- **30 CFR 56.3131 — Pit or quarry wall perimeter.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3131
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **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 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

- **Accident, Injuries, and Illnesses:** 10 rows; 2001-01-12 through 2009-08-04; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-02-08 through 2019-02-08; source ID `msha-addresses`
- **Assessed Violations:** 115 rows; 2000-09-14 through 2018-09-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2013-02-28 through 2013-02-28; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2005-08-04 through 2005-08-04; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2011-08-16 through 2011-08-16; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 1992-02-01 through 1992-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 52 rows; 2000-09-14 through 2018-09-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 149 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 38 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:** 6 rows; 2005-06-29 through 2015-01-22; source ID `msha-personal-health-samples`
- **Violations:** 119 rows; 2000-09-14 through 2018-09-11; 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/all-rock-0405172`
- JSON: `/api/v1/mines/all-rock-0405172`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0405172/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0405172/relationships`
- MCP resource: `mine://0405172/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`