# G-P Gypsum Quarries

- **MSHA mine ID:** 4801019
- **Status:** Active
- **Type / commodity:** Surface / Gypsum
- **Location:** Big Horn, WY
- **Operator:** Georgia-Pacific Gypsum LLC
- **Controller:** Koch Industries Inc
- **Public source rows linked:** 562
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Koch Industries Inc (M09870) → Georgia-Pacific Gypsum LLC (0077385) → G-P Gypsum Quarries (4801019)**

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

## Controller and operator valid-time history

- **Georgia Pacific Corp → Georgia Pacific Corp:** 1950-01-01 through 2005-12-22; derived from co-tenure at mine 4801019; source `msha-controller-operator-history`.
- **Koch Industries Inc → Georgia Pacific Corp:** 2005-12-23 through 2008-07-30; derived from co-tenure at mine 4801019; source `msha-controller-operator-history`.
- **Koch Industries Inc → Georgia-Pacific Gypsum LLC:** 2008-07-31 through current/open; derived from co-tenure at mine 4801019; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 11 historical accident/injury rows; 0 coded fatalities and 126 lost days across the published record.
2. **COMPLIANCE — 17 since 2021:** Violations and penalties 83 violation rows across the full record; 13 carry an S&S flag and $22,993 appears in current assessed amounts.
3. **HEALTH — 17 samples:** Occupational health samples 17 personal. 1 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 6K employee hours and 12 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 36 linked rows:** Contests, conferences and decisions 17 contested-violation rows, 17 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 14 since 2021:** Inspections 68 inspection events and 1K 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 56.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.4130 — Electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.4101 — Warning signs.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 57.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4201
- **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 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201

## Source coverage

- **Accident, Injuries, and Illnesses:** 11 rows; 2000-03-11 through 2024-07-31; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-03-07 through 2016-03-07; source ID `msha-addresses`
- **Assessed Violations:** 83 rows; 2000-09-06 through 2026-06-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 17 rows; 2011-04-11 through 2024-10-09; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2001-03-23 through 2020-06-02; source ID `msha-conferences`
- **Contested Violations:** 17 rows; 2010-03-09 through 2024-03-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 147 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 39 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 2008-07-31; source ID `msha-controller-operator-history`
- **Inspections:** 68 rows; 2000-09-06 through 2026-06-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 22 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 51 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:** 17 rows; 2001-04-19 through 2024-03-06; source ID `msha-personal-health-samples`
- **Violations:** 83 rows; 2000-09-06 through 2026-06-09; 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/g-p-gypsum-quarries-4801019`
- JSON: `/api/v1/mines/g-p-gypsum-quarries-4801019`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4801019/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4801019/relationships`
- MCP resource: `mine://4801019/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`