# CONTINENTAL U/G COMPLEX

- **MSHA mine ID:** 2900233
- **Status:** Abandoned
- **Type / commodity:** Underground / Copper Ore NEC
- **Location:** Grant, NM
- **Operator:** Cobre Mining Company
- **Controller:** Freeport-McMoRan Inc
- **Public source rows linked:** 28
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Freeport-McMoRan Inc (0067299) → Cobre Mining Company (L15687) → CONTINENTAL U/G COMPLEX (2900233)**

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

## Controller and operator valid-time history

- **U V Industries Inc → U V Industries Inc:** 1950-01-01 through 1980-01-22; derived from co-tenure at mine 2900233; source `msha-controller-operator-history`.
- **NVF Company → Sharon Steel Corp:** 1980-01-23 through 1990-12-27; derived from co-tenure at mine 2900233; source `msha-controller-operator-history`.
- **Mueller Industries Inc → Bayard Mining Corp:** 1990-12-28 through 1992-12-31; derived from co-tenure at mine 2900233; source `msha-controller-operator-history`.
- **Metallic Ventures Gold Inc → Cobre Mining Company Inc:** 1993-01-01 through 1998-02-02; derived from co-tenure at mine 2900233; source `msha-controller-operator-history`.
- **Phelps Dodge Corp → Cobre Mining Company:** 1998-02-03 through 2007-03-18; derived from co-tenure at mine 2900233; source `msha-controller-operator-history`.
- **Freeport-McMoRan Inc → Cobre Mining Company:** 2007-03-19 through current/open; derived from co-tenure at mine 2900233; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 17
- 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 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 5 violation rows across the full record; 2 carry an S&S flag and $462 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 0 employee hours and 0 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 4 inspection events and 50 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 57.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12002
- **30 CFR 57.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4200
- **30 CFR 57.12001 — Circuit overload protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12001
- **30 CFR 50.10 — Immediate notification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **30 CFR 57.11058 — Check-in, check-out system.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11058

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2000-02-07 through 2000-02-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2001-01-09 through 2001-01-09; source ID `msha-addresses`
- **Assessed Violations:** 5 rows; 2000-02-08 through 2000-08-16; source ID `msha-assessed-violations`
- **Controller and Operator History:** 6 rows; 1950-01-01 through 1998-02-03; source ID `msha-controller-operator-history`
- **Inspections:** 4 rows; 2000-02-08 through 2001-01-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 4 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 1 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 5 rows; 2000-02-08 through 2000-08-16; 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/continental-u-g-complex-2900233`
- JSON: `/api/v1/mines/continental-u-g-complex-2900233`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2900233/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2900233/relationships`
- MCP resource: `mine://2900233/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`