# Wheeler Pit

- **MSHA mine ID:** 2000880
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Montcalm, MI
- **Operator:** High Grade Materials Co.
- **Controller:** Amber  Hoover; Amy  Watson; James  Sturrus Jr
- **Public source rows linked:** 428
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Amber  Hoover; Amy  Watson; James  Sturrus Jr (0147701) → High Grade Materials Co. (L15888) → Wheeler Pit (2000880)**

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

## Controller and operator valid-time history

- **Gerald  Shaw → Wheeler Transit Mix:** 1950-01-01 through 1985-04-30; derived from co-tenure at mine 2000880; source `msha-controller-operator-history`.
- **D Lee  Satterlee → Wheeler Transit Mix:** 1985-05-01 through 1986-06-19; derived from co-tenure at mine 2000880; source `msha-controller-operator-history`.
- **James P  Sturrus → Wheeler Transit Mix Company:** 1986-06-20 through 2002-12-31; derived from co-tenure at mine 2000880; source `msha-controller-operator-history`.
- **James P  Sturrus → High Grade Materials Co.:** 2003-01-01 through 2019-04-30; derived from co-tenure at mine 2000880; source `msha-controller-operator-history`.
- **James  Sturrus Jr et al → High Grade Materials Co.:** 2019-05-01 through current/open; derived from co-tenure at mine 2000880; source `msha-controller-operator-history`.
- **Amy  Watson et al → High Grade Materials Co.:** 2019-05-01 through current/open; derived from co-tenure at mine 2000880; source `msha-controller-operator-history`.
- **Amber  Hoover et al → High Grade Materials Co.:** 2019-05-01 through current/open; derived from co-tenure at mine 2000880; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 16
- 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 16 historical accident/injury rows; 0 coded fatalities and 116 lost days across the published record.
2. **COMPLIANCE — 22 since 2021:** Violations and penalties 121 violation rows across the full record; 24 carry an S&S flag and $13,678 appears in current assessed amounts.
3. **HEALTH — 9 samples:** Occupational health samples 9 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 4K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 11 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 11 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 12 since 2021:** Inspections 62 inspection events and 977 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 56.12068 — Locking transformer enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12068
- **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 56.14108 — Overhead drive belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14108
- **30 CFR 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **30 CFR 56.14112 — Construction and maintenance of guards.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 16 rows; 2000-02-17 through 2013-05-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-11-17 through 2011-11-17; source ID `msha-addresses`
- **Assessed Violations:** 121 rows; 2004-11-01 through 2026-03-03; source ID `msha-assessed-violations`
- **Conferences:** 11 rows; 2005-09-21 through 2019-12-11; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 2 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2003-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 62 rows; 2001-01-03 through 2026-06-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 52 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:** 9 rows; 2005-09-01 through 2024-07-24; source ID `msha-personal-health-samples`
- **Violations:** 121 rows; 2004-11-01 through 2026-03-03; 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/wheeler-pit-2000880`
- JSON: `/api/v1/mines/wheeler-pit-2000880`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2000880/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2000880/relationships`
- MCP resource: `mine://2000880/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`