# Knob Strip Mine

- **MSHA mine ID:** 0101037
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Jefferson, AL
- **Operator:** Drummond Company, Inc.
- **Controller:** Drummond Company Inc
- **Public source rows linked:** 1,360
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Drummond Company Inc (C00866) → Drummond Company, Inc. (P17353) → Knob Strip Mine (0101037)**

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

## Controller and operator valid-time history

- **Alabama By-Products Corp → Alabama By-Products Corp:** 1973-01-01 through 1978-04-03; derived from co-tenure at mine 0101037; source `msha-controller-operator-history`.
- **Drummond Company Inc → Drummond Company, Inc.:** 1978-04-04 through current/open; derived from co-tenure at mine 0101037; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 4 historical accident/injury rows; 0 coded fatalities and 236 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 51 violation rows across the full record; 14 carry an S&S flag and $5,124 appears in current assessed amounts.
3. **HEALTH — 34 samples:** Occupational health samples 15 coal dust; 4 coal quartz; 15 noise. 0 personal-sample rows have a published C/E ratio above 1; 2 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 — 10 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 5 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 16 inspection events and 328 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 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516
- **30 CFR 77.400 — Mechanical equipment guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.409 — Shovels, draglines, and tractors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.409
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 48.31 — Hazard training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.31
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110

## Source coverage

- **Accident, Injuries, and Illnesses:** 4 rows; 2005-01-24 through 2005-12-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-01-01 through 2007-01-01; source ID `msha-addresses`
- **Assessed Violations:** 49 rows; 2004-07-19 through 2006-08-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2005-09-15 through 2006-03-30; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 15 rows; 2004-07-20 through 2006-08-23; source ID `msha-coal-dust-samples`
- **Contested Violations:** 5 rows; 2005-03-21 through 2005-10-13; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 945 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 213 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1973-01-01 through 1978-04-04; source ID `msha-controller-operator-history`
- **Inspections:** 16 rows; 2004-07-19 through 2007-02-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 28 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 15 rows; 2004-07-20 through 2006-08-23; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 4 rows; 2005-10-18 through 2005-12-19; source ID `msha-quartz-samples`
- **Violations:** 51 rows; 2004-07-19 through 2006-08-23; 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/knob-strip-mine-0101037`
- JSON: `/api/v1/mines/knob-strip-mine-0101037`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0101037/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0101037/relationships`
- MCP resource: `mine://0101037/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`