# Buck Mountain Slope

- **MSHA mine ID:** 3602022
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Anthracite)
- **Location:** Dauphin, PA
- **Operator:** S & M Coal Company
- **Controller:** Darryl  Koperna
- **Public source rows linked:** 849
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Darryl  Koperna (C10973) → S & M Coal Company (P05524) → Buck Mountain Slope (3602022)**

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

## Controller and operator valid-time history

- **John W  Snyder → S & M Coal Company:** 1950-01-01 through 2006-06-13; derived from co-tenure at mine 3602022; source `msha-controller-operator-history`.
- **Darryl  Koperna → S & M Coal Company:** 2006-06-14 through current/open; derived from co-tenure at mine 3602022; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 155 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 157 violation rows across the full record; 58 carry an S&S flag and $216,476 appears in current assessed amounts.
3. **HEALTH — 343 samples:** Occupational health samples 305 coal dust; 1 coal quartz; 37 noise. 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 — 137 tons:** Quarterly production and employment 340 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 31 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 31 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 152 inspection events and 3K 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 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **30 CFR 75.320 — Air quality detectors and measurement devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.320
- **30 CFR 75.360 — Preshift examination at fixed intervals.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360
- **30 CFR 75.1714-2 — Self-rescue devices; use and location requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-2
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2008-06-09 through 2008-12-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2018-03-09 through 2018-03-09; source ID `msha-addresses`
- **Assessed Violations:** 126 rows; 2000-01-25 through 2012-11-07; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 305 rows; 2000-02-21 through 2013-02-20; source ID `msha-coal-dust-samples`
- **Conferences:** 31 rows; 2004-03-16 through 2008-07-17; source ID `msha-conferences`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1950-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 152 rows; 2000-01-07 through 2018-02-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 8 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 26 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 37 rows; 2003-08-05 through 2012-01-12; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 1 rows; 2012-04-04 through 2012-04-04; source ID `msha-quartz-samples`
- **Violations:** 157 rows; 2000-01-25 through 2012-11-07; 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/buck-mountain-slope-3602022`
- JSON: `/api/v1/mines/buck-mountain-slope-3602022`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3602022/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3602022/relationships`
- MCP resource: `mine://3602022/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`