# Smith Pit

- **MSHA mine ID:** 0405007
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Trinity, CA
- **Operator:** Trinity Sand and Gravel
- **Controller:** John J Buick
- **Public source rows linked:** 623
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John J Buick (0147361) → Trinity Sand and Gravel (0163233) → Smith Pit (0405007)**

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

## Controller and operator valid-time history

- **Robert  Robison Et Al → Coffee Creek Trinity Sand & Gravel Inc:** 1989-01-01 through 1991-08-05; derived from co-tenure at mine 0405007; source `msha-controller-operator-history`.
- **Jerry  Sanders  et al → Concrete Aggregates Products Inc:** 1991-08-06 through 2018-05-01; derived from co-tenure at mine 0405007; source `msha-controller-operator-history`.
- **Clint  Robison  et al → Concrete Aggregates Products Inc:** 1991-08-06 through 2018-05-01; derived from co-tenure at mine 0405007; source `msha-controller-operator-history`.
- **John J Buick → Trinity Sand and Gravel:** 2018-05-02 through current/open; derived from co-tenure at mine 0405007; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 10
- 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 — 5 since 2021:** Violations and penalties 139 violation rows across the full record; 32 carry an S&S flag and $26,109 appears in current assessed amounts.
3. **HEALTH — 5 samples:** Occupational health samples 5 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 45 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 78 linked rows:** Contests, conferences and decisions 22 contested-violation rows, 56 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 — 5 since 2021:** Inspections 41 inspection events and 654 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.14116 — Hand-held power tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14116
- **30 CFR 56.16001 — Stacking and storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001
- **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 56.18002 — 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
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2022-07-20 through 2022-07-20; source ID `msha-addresses`
- **Assessed Violations:** 137 rows; 2001-08-07 through 2021-02-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 56 rows; 2000-08-17 through 2013-01-23; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 22 rows; 2010-03-09 through 2011-01-26; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1989-01-01 through 2018-05-02; source ID `msha-controller-operator-history`
- **Inspections:** 41 rows; 2001-08-07 through 2022-07-18; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 174 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 43 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:** 5 rows; 2005-07-28 through 2015-06-02; source ID `msha-personal-health-samples`
- **Violations:** 139 rows; 2001-08-07 through 2021-02-11; 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/smith-pit-0405007`
- JSON: `/api/v1/mines/smith-pit-0405007`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0405007/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0405007/relationships`
- MCP resource: `mine://0405007/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`