# Crusher 4

- **MSHA mine ID:** 2902224
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Saguache, CO
- **Operator:** Southway Construction Company Inc of Alamosa
- **Controller:** Estate of Henry T. Southway Jr.
- **Public source rows linked:** 597
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Estate of Henry T. Southway Jr. (M02545) → Southway Construction Company Inc of Alamosa (L06057) → Crusher 4 (2902224)**

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

## Controller and operator valid-time history

- **Estate of Henry T. Southway Jr. → Southway Construction Company Inc of Alamosa:** 2001-06-01 through current/open; derived from co-tenure at mine 2902224; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 5 historical accident/injury rows; 0 coded fatalities and 358 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 138 violation rows across the full record; 56 carry an S&S flag and $40,643 appears in current assessed amounts.
3. **HEALTH — 24 samples:** Occupational health samples 24 personal. 2 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 570 employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 121 linked rows:** Contests, conferences and decisions 58 contested-violation rows, 63 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 — 2 since 2021:** Inspections 44 inspection events and 616 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 56.4203 — Extinguisher recharging or replacement.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.12032 — 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 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **30 CFR 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.11012 — Protection for openings around travelways.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2004-01-19 through 2010-08-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2023-01-25 through 2023-01-25; source ID `msha-addresses`
- **Assessed Violations:** 138 rows; 2002-04-02 through 2020-11-03; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 63 rows; 2004-02-05 through 2021-08-12; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 58 rows; 2005-05-05 through 2020-11-03; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 2001-06-01 through 2001-06-01; source ID `msha-controller-operator-history`
- **Inspections:** 44 rows; 2002-04-02 through 2023-05-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 100 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 24 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:** 24 rows; 2003-04-16 through 2014-06-11; source ID `msha-personal-health-samples`
- **Violations:** 138 rows; 2002-04-02 through 2020-11-03; 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/crusher-4-2902224`
- JSON: `/api/v1/mines/crusher-4-2902224`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2902224/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2902224/relationships`
- MCP resource: `mine://2902224/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`