# Columbus Materials

- **MSHA mine ID:** 4104808
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Colorado, TX
- **Operator:** Columbus Materials
- **Controller:** Salinas Family Trust; Ruben  Salinas Sr
- **Public source rows linked:** 239
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Salinas Family Trust; Ruben  Salinas Sr (0090695) → Columbus Materials (0107206) → Columbus Materials (4104808)**

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

## Controller and operator valid-time history

- **Ruben  Salinas Sr  et al → Columbus Materials:** 2010-01-25 through current/open; derived from co-tenure at mine 4104808; source `msha-controller-operator-history`.
- **Salinas Family Trust  et al → Columbus Materials:** 2010-01-25 through current/open; derived from co-tenure at mine 4104808; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 53 violation rows across the full record; 23 carry an S&S flag and $22,859 appears in current assessed amounts.
3. **HEALTH — 2 samples:** Occupational health samples 2 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 1K employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 78 linked rows:** Contests, conferences and decisions 39 contested-violation rows, 39 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 — 0 since 2021:** Inspections 16 inspection events and 203 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 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **30 CFR 56.18010 — First aid.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18010
- **30 CFR 56.18013 — Emergency communications system.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18013
- **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
- **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 56.12016 — Work on electrically-powered equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12016
- **30 CFR 56.14211 — Blocking equipment in a raised position.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14211
- **30 CFR 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **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 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.12040 — Installation of operating controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12040

## Source coverage

- **Addresses of Record:** 1 rows; 2013-09-18 through 2013-09-18; source ID `msha-addresses`
- **Assessed Violations:** 52 rows; 2010-05-05 through 2013-03-27; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 39 rows; 2011-06-17 through 2012-09-10; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 39 rows; 2010-05-05 through 2011-06-07; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 2010-01-25 through 2010-01-25; source ID `msha-controller-operator-history`
- **Inspections:** 16 rows; 2010-01-05 through 2013-04-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 30 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`
- **Metal and Nonmetal Personal Health Samples:** 2 rows; 2012-10-10 through 2012-10-10; source ID `msha-personal-health-samples`
- **Violations:** 53 rows; 2010-05-05 through 2013-03-27; 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/columbus-materials-4104808`
- JSON: `/api/v1/mines/columbus-materials-4104808`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104808/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104808/relationships`
- MCP resource: `mine://4104808/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`