# CARMELITA MINE

- **MSHA mine ID:** 0405347
- **Status:** Abandoned
- **Type / commodity:** Underground / Gemstones
- **Location:** San Diego, CA
- **Operator:** San Diego Mining Company
- **Controller:** Scott L  Ritchie
- **Public source rows linked:** 19
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Scott L  Ritchie (0120121) → San Diego Mining Company (0140773) → CARMELITA MINE (0405347)**

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

## Controller and operator valid-time history

- **Erik M  Cordova Et Al → San Diego Mining Company:** 1998-07-01 through 2015-08-18; derived from co-tenure at mine 0405347; source `msha-controller-operator-history`.
- **Scott L  Ritchie Et Al → San Diego Mining Company:** 1998-07-01 through 2015-08-18; derived from co-tenure at mine 0405347; source `msha-controller-operator-history`.
- **Scott L  Ritchie → San Diego Mining Company:** 2015-08-19 through current/open; derived from co-tenure at mine 0405347; source `msha-controller-operator-history`.

- History rows: 3
- 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: 2026-10-17T05:35:58.500035+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 — 0 since 2021:** Violations and penalties 1 violation rows across the full record; 0 carry an S&S flag and $114 appears in current assessed amounts.
3. **HEALTH — 1 samples:** Occupational health samples 1 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 72 employee hours and 3 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 — 0 since 2021:** Inspections 5 inspection events and 63 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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30

## Source coverage

- **Addresses of Record:** 1 rows; 2017-04-11 through 2017-04-11; source ID `msha-addresses`
- **Assessed Violations:** 1 rows; 2016-11-03 through 2016-11-03; source ID `msha-assessed-violations`
- **Controller and Operator History:** 3 rows; 1998-07-01 through 2015-08-19; source ID `msha-controller-operator-history`
- **Inspections:** 5 rows; 2016-06-01 through 2017-04-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 2 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 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:** 1 rows; 2017-02-07 through 2017-02-07; source ID `msha-personal-health-samples`
- **Violations:** 1 rows; 2016-11-03 through 2016-11-03; 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/carmelita-mine-0405347`
- JSON: `/api/v1/mines/carmelita-mine-0405347`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0405347/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0405347/relationships`
- MCP resource: `mine://0405347/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`