# Mission, San Xavier, Eisenhower

- **MSHA mine ID:** 0202626
- **Status:** Abandoned
- **Type / commodity:** Underground / Copper Ore NEC
- **Location:** Pima, AZ
- **Operator:** Asarco Inc
- **Controller:** Grupo Mexico S A B de C V
- **Public source rows linked:** 472
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Grupo Mexico S A B de C V (M13109) → Asarco Inc (L17191) → Mission, San Xavier, Eisenhower (0202626)**

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

## Controller and operator valid-time history

- **Asarco Inc → Asarco Inc:** 1994-10-01 through 1999-11-16; derived from co-tenure at mine 0202626; source `msha-controller-operator-history`.
- **Grupo Mexico S A B de C V → Asarco Inc:** 1999-11-17 through current/open; derived from co-tenure at mine 0202626; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 22 historical accident/injury rows; 1 coded fatalities and 620 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 122 violation rows across the full record; 40 carry an S&S flag and $104,254 appears in current assessed amounts.
3. **HEALTH — 28 samples:** Occupational health samples 28 personal. 6 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 39K employee hours and 85 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 99 linked rows:** Contests, conferences and decisions 20 contested-violation rows, 51 civil-penalty docket/decision rows, and 28 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 36 inspection events and 2K 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 57.11050 — Escapeways and refuges.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11050
- **30 CFR 57.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11001
- **30 CFR 57.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-H/section-57.9300
- **30 CFR 57.3200 — Correction of hazardous conditions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 57.11051 — Escape routes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11051
- **30 CFR 62.130 — Permissible exposure level.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41

## Source coverage

- **Accident, Injuries, and Illnesses:** 22 rows; 2000-01-04 through 2003-03-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2003-07-31 through 2003-07-31; source ID `msha-addresses`
- **Assessed Violations:** 113 rows; 2000-02-02 through 2003-03-26; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 51 rows; 2001-09-18 through 2004-08-30; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 28 rows; 2000-04-06 through 2002-02-08; source ID `msha-conferences`
- **Contested Violations:** 20 rows; 2000-02-02 through 2000-09-20; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 1994-10-01 through 1999-11-17; source ID `msha-controller-operator-history`
- **Inspections:** 36 rows; 2000-01-31 through 2003-06-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 36 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 12 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:** 28 rows; 2000-09-27 through 2003-03-25; source ID `msha-personal-health-samples`
- **Violations:** 122 rows; 2000-02-01 through 2003-03-27; 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/mission-san-xavier-eisenhower-0202626`
- JSON: `/api/v1/mines/mission-san-xavier-eisenhower-0202626`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0202626/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0202626/relationships`
- MCP resource: `mine://0202626/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`