# C-JD-9

- **MSHA mine ID:** 0503066
- **Status:** Abandoned
- **Type / commodity:** Underground / Uranium-Vanadium Ore
- **Location:** Montrose, CO
- **Operator:** Highbury Resources Inc.
- **Controller:** Anfield Energy Inc
- **Public source rows linked:** 185
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Anfield Energy Inc (0194380) → Highbury Resources Inc. (0204073) → C-JD-9 (0503066)**

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

## Controller and operator valid-time history

- **Mendisco Felix → F & F Mendisco Mining Company:** 1950-01-01 through 1984-08-07; derived from co-tenure at mine 0503066; source `msha-controller-operator-history`.
- **Commonwealth Edison Company → Cotter Corp:** 1984-08-08 through 2000-02-17; derived from co-tenure at mine 0503066; source `msha-controller-operator-history`.
- **General Atomics Uranium Resources → Cotter Corp:** 2000-02-18 through 2025-06-24; derived from co-tenure at mine 0503066; source `msha-controller-operator-history`.
- **Anfield Energy Inc → Highbury Resources Inc.:** 2025-06-25 through current/open; derived from co-tenure at mine 0503066; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 12
- 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 2 historical accident/injury rows; 0 coded fatalities and 31 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 44 violation rows across the full record; 8 carry an S&S flag and $3,624 appears in current assessed amounts.
3. **HEALTH — 20 samples:** Occupational health samples 20 personal. 7 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 5 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 8 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 3 civil-penalty docket/decision rows, and 2 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 18 inspection events and 584 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 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **30 CFR 57.3401 — Examination of ground conditions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3401
- **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 57.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14107
- **30 CFR 57.14103 — Operators' stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14103
- **30 CFR 57.5060 — Limit on exposure to diesel particulate matter.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-D/section-57.5060
- **30 CFR 62.130 — Permissible exposure level.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2004-12-16 through 2005-08-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-03-12 through 2007-03-12; source ID `msha-addresses`
- **Assessed Violations:** 44 rows; 2003-07-30 through 2006-08-22; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 3 rows; 2008-01-31 through 2008-01-31; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2004-12-02 through 2004-12-02; source ID `msha-conferences`
- **Contested Violations:** 3 rows; 2005-03-01 through 2005-03-08; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2025-06-25; source ID `msha-controller-operator-history`
- **Inspections:** 18 rows; 2003-07-30 through 2006-08-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 34 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 9 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:** 20 rows; 2003-07-31 through 2005-09-22; source ID `msha-personal-health-samples`
- **Violations:** 44 rows; 2003-07-30 through 2006-08-22; 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/c-jd-9-0503066`
- JSON: `/api/v1/mines/c-jd-9-0503066`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0503066/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0503066/relationships`
- MCP resource: `mine://0503066/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`