# Troy Mine

- **MSHA mine ID:** 2401467
- **Status:** NonProducing
- **Type / commodity:** Underground / Copper Ore NEC
- **Location:** Lincoln, MT
- **Operator:** Troy Mine Inc.
- **Controller:** Revett Silver Company
- **Public source rows linked:** 5,060
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Revett Silver Company (M13254) → Troy Mine Inc. (L17328) → Troy Mine (2401467)**

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

## Controller and operator valid-time history

- **Asarco Inc → Asarco Inc:** 1979-01-01 through 1999-10-13; derived from co-tenure at mine 2401467; source `msha-controller-operator-history`.
- **Revett Silver Company → Troy Mine Inc.:** 1999-10-14 through current/open; derived from co-tenure at mine 2401467; 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 69 historical accident/injury rows; 1 coded fatalities and 2,358 lost days across the published record.
2. **COMPLIANCE — 1 since 2021:** Violations and penalties 1,075 violation rows across the full record; 312 carry an S&S flag and $990,025 appears in current assessed amounts.
3. **HEALTH — 272 samples:** Occupational health samples 258 personal; 14 area. 99 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 4K employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 575 linked rows:** Contests, conferences and decisions 267 contested-violation rows, 252 civil-penalty docket/decision rows, and 56 conference records linked by issuance number.
6. **CONTRACTORS — 17 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 — 25 since 2021:** Inspections 199 inspection events and 15K 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 57.4361 — Underground evacuation drills.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4361
- **30 CFR 57.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14101
- **30 CFR 57.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14207
- **30 CFR 57.4130 — Surface electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4130
- **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 57.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14100
- **30 CFR 57.16007 — Taglines, hitches, and slings.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-O/section-57.16007
- **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
- **30 CFR 57.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4101
- **30 CFR 57.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 57.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20003

## Source coverage

- **Accident, Injuries, and Illnesses:** 69 rows; 2003-11-17 through 2018-07-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-05-04 through 2026-05-04; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 14 rows; 2006-12-13 through 2012-01-20; source ID `msha-area-samples`
- **Assessed Violations:** 1,057 rows; 2000-09-19 through 2026-07-21; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 252 rows; 2006-04-18 through 2018-03-29; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 56 rows; 2005-04-21 through 2018-07-10; source ID `msha-conferences`
- **Contested Violations:** 267 rows; 2005-07-19 through 2017-11-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,420 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 284 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1979-01-01 through 1999-10-14; source ID `msha-controller-operator-history`
- **Inspections:** 199 rows; 2000-09-19 through 2026-07-20; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 26 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 79 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:** 258 rows; 2005-03-09 through 2017-04-19; source ID `msha-personal-health-samples`
- **Violations:** 1,075 rows; 2000-09-19 through 2026-07-21; 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/troy-mine-2401467`
- JSON: `/api/v1/mines/troy-mine-2401467`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2401467/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2401467/relationships`
- MCP resource: `mine://2401467/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`