# James River Slate Company Inc

- **MSHA mine ID:** 4407307
- **Status:** Active
- **Type / commodity:** Surface / Dimension Slate
- **Location:** Buckingham, VA
- **Operator:** James River Slate Company Inc
- **Controller:** Craig E  Markcrow
- **Public source rows linked:** 335
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Craig E  Markcrow (0108585) → James River Slate Company Inc (0127715) → James River Slate Company Inc (4407307)**

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

## Controller and operator valid-time history

- **Craig E  Markcrow → James River Slate Company Inc:** 2013-03-13 through current/open; derived from co-tenure at mine 4407307; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 1 since 2021:** Accidents and injuries 6 historical accident/injury rows; 0 coded fatalities and 85 lost days across the published record.
2. **COMPLIANCE — 21 since 2021:** Violations and penalties 69 violation rows across the full record; 21 carry an S&S flag and $21,286 appears in current assessed amounts.
3. **HEALTH — 27 samples:** Occupational health samples 26 personal; 1 area. 3 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 12 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 15 since 2021:** Inspections 46 inspection events and 858 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 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **30 CFR 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **30 CFR 56.5001 — Exposure limits for airborne contaminants.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001
- **30 CFR 62.170 — Audiometric testing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.170
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2013-11-07 through 2023-08-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-07-29 through 2013-07-29; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 1 rows; 2025-05-06 through 2025-05-06; source ID `msha-area-samples`
- **Assessed Violations:** 69 rows; 2013-09-04 through 2026-06-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2018-06-11 through 2018-06-11; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2016-12-02 through 2016-12-02; source ID `msha-conferences`
- **Contested Violations:** 5 rows; 2017-11-20 through 2017-11-28; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 57 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2013-03-13 through 2013-03-13; source ID `msha-controller-operator-history`
- **Inspections:** 46 rows; 2013-09-03 through 2026-05-27; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 40 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:** 26 rows; 2013-09-04 through 2026-05-27; source ID `msha-personal-health-samples`
- **Violations:** 69 rows; 2013-09-04 through 2026-06-02; 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/james-river-slate-company-inc-4407307`
- JSON: `/api/v1/mines/james-river-slate-company-inc-4407307`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4407307/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4407307/relationships`
- MCP resource: `mine://4407307/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`