# DEER TRAIL

- **MSHA mine ID:** 4200260
- **Status:** Abandoned
- **Type / commodity:** Underground / Gold Ore
- **Location:** Piute, UT
- **Operator:** DT Mining LLC
- **Controller:** DTM USA; QCDT Holdings LLC
- **Public source rows linked:** 570
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**DTM USA; QCDT Holdings LLC (0153541) → DT Mining LLC (0168933) → DEER TRAIL (4200260)**

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

## Controller and operator valid-time history

- **Lynn  Frederick → Marysvale Mining Company Inc:** 1950-01-01 through 1981-06-22; derived from co-tenure at mine 4200260; source `msha-controller-operator-history`.
- **Noranda Inc → Noranda Exploration Inc:** 1981-06-23 through 1997-05-11; derived from co-tenure at mine 4200260; source `msha-controller-operator-history`.
- **Ray C  Brown → Unico Incorporated:** 1997-05-12 through 2014-02-16; derived from co-tenure at mine 4200260; source `msha-controller-operator-history`.
- **Western Pacific Resources → Western Pacific Resources US:** 2014-02-17 through 2018-12-19; derived from co-tenure at mine 4200260; source `msha-controller-operator-history`.
- **DTM USA et al → DT Mining LLC:** 2018-12-20 through current/open; derived from co-tenure at mine 4200260; source `msha-controller-operator-history`.
- **QCDT Holdings LLC et al → DT Mining LLC:** 2018-12-20 through current/open; derived from co-tenure at mine 4200260; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 16
- 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 — 2 since 2021:** Violations and penalties 135 violation rows across the full record; 23 carry an S&S flag and $22,687 appears in current assessed amounts.
3. **HEALTH — 21 samples:** Occupational health samples 21 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 5K employee hours and 6 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 — 1 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 — 3 since 2021:** Inspections 61 inspection events and 1K 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 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **30 CFR 49.1 — Purpose and scope.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-49/subpart-A/section-49.1
- **30 CFR 57.11053 — Escape and evacuation plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11053
- **30 CFR 57.8520 — Ventilation plan.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-G/section-57.8520
- **30 CFR 57.1000 — 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-57/subpart-A/section-57.1000
- **30 CFR 41.12 — Changes; notification by operator.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **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 57.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12004
- **30 CFR 57.12010 — Isolation or insulation of communication conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12010

## Source coverage

- **Addresses of Record:** 1 rows; 2021-11-18 through 2021-11-18; source ID `msha-addresses`
- **Assessed Violations:** 118 rows; 2001-04-03 through 2021-06-02; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 19 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 5 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1950-01-01 through 2018-12-20; source ID `msha-controller-operator-history`
- **Inspections:** 61 rows; 2000-03-14 through 2021-07-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 159 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 44 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:** 21 rows; 2002-07-02 through 2021-06-02; source ID `msha-personal-health-samples`
- **Violations:** 135 rows; 2001-04-03 through 2021-06-02; 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/deer-trail-4200260`
- JSON: `/api/v1/mines/deer-trail-4200260`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4200260/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4200260/relationships`
- MCP resource: `mine://4200260/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`