# Cooper Ridge Deep Mine

- **MSHA mine ID:** 4003441
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Claiborne, TN
- **Operator:** Kopper Glo Mining, LLC
- **Controller:** Industrial Minerals Group LLC
- **Public source rows linked:** 2,582
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Industrial Minerals Group LLC (0145041) → Kopper Glo Mining, LLC (0101206) → Cooper Ridge Deep Mine (4003441)**

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

## Controller and operator valid-time history

- **Quintana Capital Group GP Ltd et al → Kopper Glo Mining, LLC:** 2014-09-03 through 2018-12-30; derived from co-tenure at mine 4003441; source `msha-controller-operator-history`.
- **Industrial Minerals Group LLC → Kopper Glo Mining, LLC:** 2018-12-31 through current/open; derived from co-tenure at mine 4003441; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 — 1 since 2021:** Accidents and injuries 26 historical accident/injury rows; 0 coded fatalities and 249 lost days across the published record.
2. **COMPLIANCE — 2 since 2021:** Violations and penalties 172 violation rows across the full record; 19 carry an S&S flag and $26,044 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 1,152 coal dust; 63 coal quartz; 140 noise. 0 personal-sample rows have a published C/E ratio above 1; 32 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 — 9 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 9 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 18 since 2021:** Inspections 118 inspection events and 6K 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 75.1711 — Sealing of mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711
- **30 CFR 75.1714-3 — Self-rescue devices; inspection, testing, maintenance, repair, and recordkeeping.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-3
- **30 CFR 75.1100-3 — Condition and examination of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3
- **30 CFR 75.1202-1 — Temporary notations, revisions, and supplements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1202-1
- **30 CFR 49.12 — Availability of mine rescue teams.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-49/subpart-B/section-49.12
- **30 CFR 75.904 — Identification of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-J/section-75.904
- **30 CFR 75.364 — Weekly examination.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364
- **30 CFR 50.20-1 — General instructions for completing MSHA Form 7000-1.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20-1

## Source coverage

- **Accident, Injuries, and Illnesses:** 26 rows; 2015-12-28 through 2022-04-14; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2023-11-06 through 2023-11-06; source ID `msha-addresses`
- **Assessed Violations:** 155 rows; 2014-09-03 through 2021-05-17; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 1,152 rows; 2015-12-11 through 2020-02-19; source ID `msha-coal-dust-samples`
- **Conferences:** 9 rows; 2016-07-16 through 2020-05-11; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 538 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 142 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2014-09-03 through 2014-09-03; source ID `msha-controller-operator-history`
- **Inspections:** 118 rows; 2014-09-03 through 2023-04-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 49 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 14 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 140 rows; 2015-03-03 through 2020-03-24; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 63 rows; 2015-12-11 through 2020-01-31; source ID `msha-quartz-samples`
- **Violations:** 172 rows; 2014-09-03 through 2021-08-23; 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/cooper-ridge-deep-mine-4003441`
- JSON: `/api/v1/mines/cooper-ridge-deep-mine-4003441`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4003441/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4003441/relationships`
- MCP resource: `mine://4003441/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`