# C & H Gravel Co Pit  #4

- **MSHA mine ID:** 1102873
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Cumberland, IL
- **Operator:** C & H Gravel Company
- **Controller:** Charles  Heuerman
- **Public source rows linked:** 423
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Charles  Heuerman (M02629) → C & H Gravel Company (L03277) → C & H Gravel Co Pit  #4 (1102873)**

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

## Controller and operator valid-time history

- **Charles  Heuerman et al → Charles Heuerman Gravel Company:** 1988-05-01 through 2001-11-13; derived from co-tenure at mine 1102873; source `msha-controller-operator-history`.
- **Charles  Heuerman et al → C & H Gravel Company:** 2001-11-14 through current/open; derived from co-tenure at mine 1102873; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 1 historical accident/injury rows; 0 coded fatalities and 3 lost days across the published record.
2. **COMPLIANCE — 31 since 2021:** Violations and penalties 115 violation rows across the full record; 16 carry an S&S flag and $20,404 appears in current assessed amounts.
3. **HEALTH — 18 samples:** Occupational health samples 18 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 2K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 36 linked rows:** Contests, conferences and decisions 17 contested-violation rows, 17 civil-penalty docket/decision rows, and 2 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 — 17 since 2021:** Inspections 63 inspection events and 862 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 56.16006 — 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
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2016-05-16 through 2016-05-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-10-16 through 2013-10-16; source ID `msha-addresses`
- **Assessed Violations:** 114 rows; 2000-10-24 through 2024-12-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 17 rows; 2015-06-03 through 2022-02-11; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2002-05-06 through 2002-05-06; source ID `msha-conferences`
- **Contested Violations:** 17 rows; 2014-07-07 through 2021-06-16; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 1988-05-01 through 2001-11-14; source ID `msha-controller-operator-history`
- **Inspections:** 63 rows; 2000-05-03 through 2026-06-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 23 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 49 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:** 18 rows; 2002-04-18 through 2025-09-23; source ID `msha-personal-health-samples`
- **Violations:** 115 rows; 2000-10-24 through 2024-12-17; 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/c-h-gravel-co-pit-4-1102873`
- JSON: `/api/v1/mines/c-h-gravel-co-pit-4-1102873`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1102873/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1102873/relationships`
- MCP resource: `mine://1102873/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
