# Grey Goose

- **MSHA mine ID:** 0503869
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Grand, CO
- **Operator:** Kilgore Companies LLC dba Peak Mtls
- **Controller:** Summit Materials LLC
- **Public source rows linked:** 557
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Summit Materials LLC (M02046) → Kilgore Companies LLC dba Peak Mtls (L01838) → Grey Goose (0503869)**

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

## Controller and operator valid-time history

- **Robert L Morrow → Morrow & Sons Inc:** 1983-06-01 through 2014-03-23; derived from co-tenure at mine 0503869; source `msha-controller-operator-history`.
- **Tom  Everist → Everist Materials LLC:** 2014-03-24 through 2017-03-31; derived from co-tenure at mine 0503869; source `msha-controller-operator-history`.
- **Harold  Elam → Peak Mtls:** 2017-04-01 through 2011-03-31; derived from co-tenure at mine 0503869; source `msha-controller-operator-history`.
- **Summit Materials LLC → Peak Mtls:** 2017-04-01 through current/open; derived from co-tenure at mine 0503869; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- Interval anomalies: 1
- 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 — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 7 since 2021:** Violations and penalties 111 violation rows across the full record; 17 carry an S&S flag and $14,302 appears in current assessed amounts.
3. **HEALTH — 16 samples:** Occupational health samples 16 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 — 0 tons:** Quarterly production and employment 4K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 36 linked rows:** Contests, conferences and decisions 18 contested-violation rows, 18 civil-penalty docket/decision rows, and 0 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 — 10 since 2021:** Inspections 52 inspection events and 739 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 56.12004 — Electrical conductors.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 57.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14107
- **30 CFR 56.4601 — Oxygen cylinder storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4601
- **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 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012

## Source coverage

- **Addresses of Record:** 1 rows; 2025-02-19 through 2025-02-19; source ID `msha-addresses`
- **Assessed Violations:** 103 rows; 2000-05-24 through 2026-03-26; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 18 rows; 2010-09-27 through 2017-04-19; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 18 rows; 2009-06-30 through 2016-05-12; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1983-06-01 through 2017-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 52 rows; 2000-05-24 through 2026-03-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 187 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 46 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:** 16 rows; 2006-11-02 through 2025-08-22; source ID `msha-personal-health-samples`
- **Violations:** 111 rows; 2000-05-24 through 2026-03-26; 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/grey-goose-0503869`
- JSON: `/api/v1/mines/grey-goose-0503869`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0503869/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0503869/relationships`
- MCP resource: `mine://0503869/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`