# FOUNTAIN PIT

- **MSHA mine ID:** 0503821
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** El Paso, CO
- **Operator:** Martin Marietta Materials
- **Controller:** Martin Marietta Materials Inc
- **Public source rows linked:** 653
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Martin Marietta Materials Inc (M00174) → Martin Marietta Materials (L16197) → FOUNTAIN PIT (0503821)**

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

## Controller and operator valid-time history

- **Koppers Company Inc → Broderick & Gibbons Inc:** 1982-11-01 through 1988-11-13; derived from co-tenure at mine 0503821; source `msha-controller-operator-history`.
- **Redland Plc → Western Mobile Southern Inc:** 1988-11-14 through 1998-02-10; derived from co-tenure at mine 0503821; source `msha-controller-operator-history`.
- **Lafarge S A → Western Mobile Southern Inc:** 1998-02-11 through 2002-01-30; derived from co-tenure at mine 0503821; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge West  Incorporated:** 2002-01-31 through 2011-12-20; derived from co-tenure at mine 0503821; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Martin Marietta Materials:** 2011-12-21 through current/open; derived from co-tenure at mine 0503821; source `msha-controller-operator-history`.
- **Holcim Ltd → Lafarge West  Incorporated:** 2015-07-10 through 2011-12-20; derived from co-tenure at mine 0503821; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 17
- 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 5 historical accident/injury rows; 0 coded fatalities and 111 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 90 violation rows across the full record; 26 carry an S&S flag and $25,791 appears in current assessed amounts.
3. **HEALTH — 23 samples:** Occupational health samples 23 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 — 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 — 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 — 0 since 2021:** Inspections 47 inspection events and 877 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 56.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **30 CFR 56.12004 — Electrical conductors.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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 56.14109 — Unguarded conveyors with adjacent travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14109
- **30 CFR 41.30 — Address of record and telephone number.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-C/section-41.30
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.14201 — Conveyor start-up warnings.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14201
- **30 CFR 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2001-07-02 through 2006-07-31; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-02-14 through 2019-02-14; source ID `msha-addresses`
- **Assessed Violations:** 89 rows; 2000-06-20 through 2019-02-13; source ID `msha-assessed-violations`
- **Conferences:** 3 rows; 2000-12-01 through 2004-02-05; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 171 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 26 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1982-11-01 through 2011-12-21; source ID `msha-controller-operator-history`
- **Inspections:** 47 rows; 2000-06-20 through 2019-02-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 152 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 39 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:** 23 rows; 2001-04-05 through 2016-11-17; source ID `msha-personal-health-samples`
- **Violations:** 90 rows; 2000-06-20 through 2019-02-13; 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/fountain-pit-0503821`
- JSON: `/api/v1/mines/fountain-pit-0503821`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0503821/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0503821/relationships`
- MCP resource: `mine://0503821/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`