# Michigan Bluestone

- **MSHA mine ID:** 2003160
- **Status:** Abandoned
- **Type / commodity:** Surface / Dimension Stone NEC
- **Location:** Huron, MI
- **Operator:** McPhee Farms Inc.
- **Controller:** Sharon  McPhee; Ian  McPhee
- **Public source rows linked:** 263
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Sharon  McPhee; Ian  McPhee (0071493) → McPhee Farms Inc. (0084707) → Michigan Bluestone (2003160)**

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

## Controller and operator valid-time history

- **Dean  Darby  et al → Flint Stone & Supply Company:** 2000-06-01 through 2001-04-14; derived from co-tenure at mine 2003160; source `msha-controller-operator-history`.
- **Robert  Hickey  et al → Flint Stone & Supply Company:** 2000-06-01 through 2001-04-14; derived from co-tenure at mine 2003160; source `msha-controller-operator-history`.
- **Steve  Anderson  et al → Classic Grindstone:** 2001-04-15 through 2004-12-31; derived from co-tenure at mine 2003160; source `msha-controller-operator-history`.
- **Mark  Birnbaum → Waterford Stone Supply Inc.:** 2005-01-01 through 2007-10-24; derived from co-tenure at mine 2003160; source `msha-controller-operator-history`.
- **Ian  McPhee et al → McPhee Farms Inc.:** 2007-10-25 through current/open; derived from co-tenure at mine 2003160; source `msha-controller-operator-history`.
- **Sharon  McPhee et al → McPhee Farms Inc.:** 2007-10-25 through current/open; derived from co-tenure at mine 2003160; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 14
- 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 2 historical accident/injury rows; 1 coded fatalities and 18 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 81 violation rows across the full record; 17 carry an S&S flag and $13,647 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 1 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 — 0 since 2021:** Inspections 28 inspection events and 460 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 56.14101 — 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 56.9300 — 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 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **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 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **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 56.14200 — 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
- **30 CFR 50.20-1 — General instructions for completing MSHA Form 7000-1.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20-1
- **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 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 58.620 — Drill dust control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-58/subpart-E/section-58.620
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2003-10-30 through 2004-05-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2010-08-26 through 2010-08-26; source ID `msha-addresses`
- **Assessed Violations:** 77 rows; 2000-06-26 through 2008-05-13; source ID `msha-assessed-violations`
- **Conferences:** 1 rows; 2008-06-03 through 2008-06-03; 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:** 2 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 2000-06-01 through 2007-10-25; source ID `msha-controller-operator-history`
- **Inspections:** 28 rows; 2000-06-26 through 2010-08-25; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 49 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 13 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 81 rows; 2000-06-26 through 2008-05-13; 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/michigan-bluestone-2003160`
- JSON: `/api/v1/mines/michigan-bluestone-2003160`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2003160/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2003160/relationships`
- MCP resource: `mine://2003160/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`