# Twin Creeks

- **MSHA mine ID:** 2402297
- **Status:** Abandoned
- **Type / commodity:** Surface / Dimension Stone NEC
- **Location:** Flathead, MT
- **Operator:** Schellinger Sand & Gravel, Inc.
- **Controller:** Albert A  Schellinger
- **Public source rows linked:** 39
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Albert A  Schellinger (M01195) → Schellinger Sand & Gravel, Inc. (0050428) → Twin Creeks (2402297)**

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

## Controller and operator valid-time history

- **Albert A  Schellinger → Schellinger Sand & Gravel, Inc.:** 2002-08-15 through current/open; derived from co-tenure at mine 2402297; 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 — 0 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 10 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 10 violation rows across the full record; 4 carry an S&S flag and $965 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 3K employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 3 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 — 0 since 2021:** Inspections 5 inspection events and 48 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 56.9300 — Berms or guardrails.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.15002 — Hard hats.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15002
- **30 CFR 56.4402 — Safety can use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402
- **30 CFR 56.4200 — General requirements.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **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 56.4201 — 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:** 2 rows; 2003-06-03 through 2003-07-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-06-01 through 2006-06-01; source ID `msha-addresses`
- **Assessed Violations:** 10 rows; 2003-06-18 through 2005-05-12; source ID `msha-assessed-violations`
- **Conferences:** 3 rows; 2003-07-18 through 2003-07-18; source ID `msha-conferences`
- **Controller and Operator History:** 1 rows; 2002-08-15 through 2002-08-15; source ID `msha-controller-operator-history`
- **Inspections:** 5 rows; 2003-06-18 through 2005-05-12; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 2 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 10 rows; 2003-06-18 through 2005-05-12; 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/twin-creeks-2402297`
- JSON: `/api/v1/mines/twin-creeks-2402297`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2402297/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2402297/relationships`
- MCP resource: `mine://2402297/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`