# Guion Plant

- **MSHA mine ID:** 0300313
- **Status:** Active
- **Type / commodity:** Underground / Crushed, Broken Sandstone
- **Location:** Izard, AR
- **Operator:** Covia Solutions LLC
- **Controller:** Covia Holdings LLC
- **Public source rows linked:** 4,638
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Covia Holdings LLC (0159743) → Covia Solutions LLC (0197714) → Guion Plant (0300313)**

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

## Controller and operator valid-time history

- **Sam C  Cooke → Silica Products Company Inc:** 1950-01-01 through 1988-08-15; derived from co-tenure at mine 0300313; source `msha-controller-operator-history`.
- **S C R-Sibelco Nv et al → Covia Solutions Inc.:** 1988-08-16 through 2020-12-31; derived from co-tenure at mine 0300313; source `msha-controller-operator-history`.
- **Covia Holdings LLC → Covia Solutions Inc.:** 2021-01-01 through 2024-07-31; derived from co-tenure at mine 0300313; source `msha-controller-operator-history`.
- **Covia Holdings LLC → Covia Solutions LLC:** 2024-08-01 through current/open; derived from co-tenure at mine 0300313; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 — 8 since 2021:** Accidents and injuries 51 historical accident/injury rows; 0 coded fatalities and 433 lost days across the published record.
2. **COMPLIANCE — 73 since 2021:** Violations and penalties 571 violation rows across the full record; 115 carry an S&S flag and $173,800 appears in current assessed amounts.
3. **HEALTH — 618 samples:** Occupational health samples 611 personal; 7 area. 6 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 — 0 tons:** Quarterly production and employment 21K employee hours and 31 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 49 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 7 civil-penalty docket/decision rows, and 36 conference records linked by issuance number.
6. **CONTRACTORS — 17 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 — 29 since 2021:** Inspections 154 inspection events and 7K 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 57.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12030
- **30 CFR 57.20003 — Housekeeping.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20003
- **30 CFR 57.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11001
- **30 CFR 57.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14101
- **30 CFR 57.9100 — Traffic control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-H/section-57.9100
- **30 CFR 57.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 57.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14112
- **30 CFR 57.14132 — Horns and backup alarms for surface equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14132

## Source coverage

- **Accident, Injuries, and Illnesses:** 51 rows; 2000-03-30 through 2026-07-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1976-07-04 through 1976-07-04; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 7 rows; 2023-08-09 through 2026-06-03; source ID `msha-area-samples`
- **Assessed Violations:** 567 rows; 2000-03-14 through 2026-07-28; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2001-01-22 through 2016-05-11; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 36 rows; 2000-08-28 through 2016-04-18; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2010-06-22 through 2014-11-10; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,724 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 366 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2024-08-01; source ID `msha-controller-operator-history`
- **Inspections:** 154 rows; 2000-03-14 through 2026-07-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 424 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 108 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:** 611 rows; 2001-12-04 through 2026-06-03; source ID `msha-personal-health-samples`
- **Violations:** 571 rows; 2000-03-14 through 2026-07-28; 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/guion-plant-0300313`
- JSON: `/api/v1/mines/guion-plant-0300313`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0300313/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0300313/relationships`
- MCP resource: `mine://0300313/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`