# Butler Hill Granite (CS58)

- **MSHA mine ID:** 2302431
- **Status:** Active
- **Type / commodity:** Surface / Dimension Granite
- **Location:** St Francois, MO
- **Operator:** Central Stone Company
- **Controller:** Riverstone Group
- **Public source rows linked:** 166
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Riverstone Group (M00233) → Central Stone Company (L00061) → Butler Hill Granite (CS58) (2302431)**

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

## Controller and operator valid-time history

- **Riverstone Group → Central Stone Company:** 2012-02-27 through current/open; derived from co-tenure at mine 2302431; 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 — 5 since 2021:** Accidents and injuries 8 historical accident/injury rows; 0 coded fatalities and 36 lost days across the published record.
2. **COMPLIANCE — 5 since 2021:** Violations and penalties 23 violation rows across the full record; 3 carry an S&S flag and $6,423 appears in current assessed amounts.
3. **HEALTH — 21 samples:** Occupational health samples 21 personal. 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 6 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 2 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 — 21 since 2021:** Inspections 39 inspection events and 542 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 56.12028 — 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 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2012-06-14 through 2025-12-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-10-01 through 2013-10-01; source ID `msha-addresses`
- **Assessed Violations:** 22 rows; 2012-06-19 through 2026-04-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2019-01-29 through 2019-12-03; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2012-12-04 through 2013-01-30; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2018-07-18 through 2019-07-08; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 2012-02-27 through 2012-02-27; source ID `msha-controller-operator-history`
- **Inspections:** 39 rows; 2012-06-18 through 2026-05-27; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 44 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:** 21 rows; 2012-06-20 through 2025-10-08; source ID `msha-personal-health-samples`
- **Violations:** 23 rows; 2012-06-19 through 2026-04-01; 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/butler-hill-granite-cs58-2302431`
- JSON: `/api/v1/mines/butler-hill-granite-cs58-2302431`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2302431/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2302431/relationships`
- MCP resource: `mine://2302431/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`