# Calvery Mine

- **MSHA mine ID:** 1517110
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Knott, KY
- **Operator:** KNOTT COUNTY COAL LLC
- **Controller:** American Resources Corporation
- **Public source rows linked:** 4,144
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**American Resources Corporation (0150901) → KNOTT COUNTY COAL LLC (0054616) → Calvery Mine (1517110)**

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

## Controller and operator valid-time history

- **Goebel  Zeller et al → Faith Coal Sales Inc:** 1991-08-01 through 1998-02-11; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Bill R  Wallace et al → Faith Coal Sales Inc:** 1991-08-01 through 1998-02-11; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Zeigler Coal Holding Company → Knott County Mining Company:** 1998-02-12 through 1998-12-13; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Hansel D  Fleming → Fleming Enterprises Inc:** 1998-12-14 through 2000-12-13; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Allen G  Stump et al → Gentec Processing Inc:** 2000-12-14 through 2002-04-14; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Horizon Natural Resources Incorporated → Knott County  Mining Company:** 2002-04-15 through 2002-06-09; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Suzie  Fought → Border Mining Inc.:** 2002-06-10 through 2003-06-10; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Horizon Natural Resources Incorporated → Knott County Mining Company:** 2003-06-11 through 2004-09-30; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **International Coal Group Inc (ICG) → KNOTT COUNTY COAL LLC:** 2004-10-01 through 2011-06-14; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Arch Resources Inc → KNOTT COUNTY COAL LLC:** 2011-06-15 through 2016-04-11; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **Quest Energy Corporation → KNOTT COUNTY COAL LLC:** 2016-04-12 through 2017-01-04; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.
- **American Resources Corporation → KNOTT COUNTY COAL LLC:** 2017-01-05 through current/open; derived from co-tenure at mine 1517110; source `msha-controller-operator-history`.

- History rows: 12
- Typed edges: 30
- 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 48 historical accident/injury rows; 0 coded fatalities and 1,578 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 939 violation rows across the full record; 301 carry an S&S flag and $432,325 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 1,000 coal dust; 92 coal quartz; 98 noise. 0 personal-sample rows have a published C/E ratio above 1; 3 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 2K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 111 linked rows:** Contests, conferences and decisions 20 contested-violation rows, 19 civil-penalty docket/decision rows, and 72 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 154 inspection events and 8K 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 77.1701 — Emergency communications; requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1701
- **30 CFR 75.1722 — Mechanical equipment guards.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1722
- **30 CFR 70.208 — Quarterly sampling; mechanized mining units.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-70/subpart-C/section-70.208
- **30 CFR 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.1100-2 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-2
- **30 CFR 75.1702 — Smoking; prohibition.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1702
- **30 CFR 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512

## Source coverage

- **Accident, Injuries, and Illnesses:** 48 rows; 2000-04-04 through 2010-03-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2010-11-11 through 2010-11-11; source ID `msha-addresses`
- **Assessed Violations:** 925 rows; 2000-02-03 through 2010-08-06; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 19 rows; 2008-10-28 through 2013-12-10; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,000 rows; 2000-01-03 through 2010-04-23; source ID `msha-coal-dust-samples`
- **Conferences:** 72 rows; 2000-11-14 through 2010-03-03; source ID `msha-conferences`
- **Contested Violations:** 20 rows; 2007-06-25 through 2010-02-11; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 489 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 126 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 12 rows; 1991-08-01 through 2004-10-01; source ID `msha-controller-operator-history`
- **Inspections:** 154 rows; 2000-01-03 through 2010-08-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 123 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 25 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 98 rows; 2000-01-04 through 2009-12-11; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 92 rows; 2000-01-03 through 2010-01-28; source ID `msha-quartz-samples`
- **Violations:** 939 rows; 2000-02-03 through 2010-08-06; 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/calvery-mine-1517110`
- JSON: `/api/v1/mines/calvery-mine-1517110`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1517110/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1517110/relationships`
- MCP resource: `mine://1517110/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`