# PC-100

- **MSHA mine ID:** 3503349
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Del Norte, CA
- **Operator:** Tidewater Contractors, Inc.
- **Controller:** George Harold Fitzhugh; John David Baldwin
- **Public source rows linked:** 486
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**George Harold Fitzhugh; John David Baldwin (0177160) → Tidewater Contractors, Inc. (L09002) → PC-100 (3503349)**

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

## Controller and operator valid-time history

- **Jess  Fitzhugh et al → Tidewater Contractors, Inc.:** 1991-05-01 through 2023-05-14; derived from co-tenure at mine 3503349; source `msha-controller-operator-history`.
- **Dave  Baldwin et al → Tidewater Contractors, Inc.:** 1991-05-01 through 2023-05-14; derived from co-tenure at mine 3503349; source `msha-controller-operator-history`.
- **John David Baldwin et al → Tidewater Contractors, Inc.:** 2023-05-15 through current/open; derived from co-tenure at mine 3503349; source `msha-controller-operator-history`.
- **George Harold Fitzhugh et al → Tidewater Contractors, Inc.:** 2023-05-15 through current/open; derived from co-tenure at mine 3503349; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 7
- 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 — 11 since 2021:** Violations and penalties 92 violation rows across the full record; 21 carry an S&S flag and $23,290 appears in current assessed amounts.
3. **HEALTH — 9 samples:** Occupational health samples 9 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 853 employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 18 linked rows:** Contests, conferences and decisions 8 contested-violation rows, 8 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 — 8 since 2021:** Inspections 42 inspection events and 543 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 56.23002 — 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 56.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.4101 — Warning signs.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.14103 — Operators stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103
- **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 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.14107 — 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 56.1000 — 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

## Source coverage

- **Addresses of Record:** 1 rows; 2026-01-01 through 2026-01-01; source ID `msha-addresses`
- **Assessed Violations:** 90 rows; 2001-03-28 through 2026-01-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 8 rows; 2006-05-22 through 2015-01-28; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2008-07-11 through 2008-07-11; source ID `msha-conferences`
- **Contested Violations:** 8 rows; 2005-11-08 through 2013-12-17; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1991-05-01 through 1991-05-01; source ID `msha-controller-operator-history`
- **Inspections:** 42 rows; 2001-03-27 through 2026-01-15; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 188 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 41 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:** 9 rows; 2001-03-28 through 2024-05-01; source ID `msha-personal-health-samples`
- **Violations:** 92 rows; 2001-03-28 through 2026-01-20; 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/pc-100-3503349`
- JSON: `/api/v1/mines/pc-100-3503349`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3503349/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3503349/relationships`
- MCP resource: `mine://3503349/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`