# PIONEER PLANT

- **MSHA mine ID:** 2002798
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Mecosta, MI
- **Operator:** CHIPPEWA STONE & GRAVEL INC
- **Controller:** Walter L  Hazen
- **Public source rows linked:** 176
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Walter L  Hazen (M08758) → CHIPPEWA STONE & GRAVEL INC (L11310) → PIONEER PLANT (2002798)**

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

## Controller and operator valid-time history

- **Daniel J  Hazen → Daniel J Hazen:** 1988-02-01 through 1989-08-01; derived from co-tenure at mine 2002798; source `msha-controller-operator-history`.
- **Walter L  Hazen → Chippewa Stone & Gravel Inc:** 1989-08-02 through current/open; derived from co-tenure at mine 2002798; 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 6 since 2021:** Violations and penalties 30 violation rows across the full record; 1 carry an S&S flag and $4,296 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 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 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 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 — 5 since 2021:** Inspections 30 inspection events and 365 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 56.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.20001 — Intoxicating beverages and narcotics.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20001
- **30 CFR 50.30-1 — General instructions for completing MSHA Form 7000-2.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30-1
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.14200 — Warnings prior to starting or moving equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200

## Source coverage

- **Addresses of Record:** 1 rows; 1988-02-02 through 1988-02-02; source ID `msha-addresses`
- **Assessed Violations:** 30 rows; 2000-05-02 through 2026-06-17; source ID `msha-assessed-violations`
- **Controller and Operator History:** 2 rows; 1988-02-01 through 1989-08-02; source ID `msha-controller-operator-history`
- **Inspections:** 30 rows; 2000-05-02 through 2026-06-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 22 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 6 rows; 2005-04-27 through 2025-05-15; source ID `msha-personal-health-samples`
- **Violations:** 30 rows; 2000-05-02 through 2026-06-17; 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/pioneer-plant-2002798`
- JSON: `/api/v1/mines/pioneer-plant-2002798`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2002798/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2002798/relationships`
- MCP resource: `mine://2002798/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`