# CRUSHING & SAMPLING UNIT

- **MSHA mine ID:** 4201247
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Tooele, UT
- **Operator:** Bolinder Resources, LLC
- **Controller:** Bolinder Resources ESOP and Trust
- **Public source rows linked:** 639
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Bolinder Resources ESOP and Trust (0192661) → Bolinder Resources, LLC (0102846) → CRUSHING & SAMPLING UNIT (4201247)**

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

## Controller and operator valid-time history

- **Fayette  McFarland et al → Mc Farland & Hullinger:** 1950-01-01 through 2008-11-11; derived from co-tenure at mine 4201247; source `msha-controller-operator-history`.
- **Sidney  Hullinger et al → Mc Farland & Hullinger:** 1950-01-01 through 2008-11-11; derived from co-tenure at mine 4201247; source `msha-controller-operator-history`.
- **Garry L  Bolinder → Bolinder Company:** 2008-11-12 through 2009-07-13; derived from co-tenure at mine 4201247; source `msha-controller-operator-history`.
- **Stacey  Bolinder → Bolinder Resources LLC:** 2009-07-14 through 2012-12-29; derived from co-tenure at mine 4201247; source `msha-controller-operator-history`.
- **Garry L  Bolinder et al → Bolinder Resources LLC:** 2012-12-30 through 2024-06-03; derived from co-tenure at mine 4201247; source `msha-controller-operator-history`.
- **Stacey P  Bolinder et al → Bolinder Resources LLC:** 2012-12-30 through 2024-06-03; derived from co-tenure at mine 4201247; source `msha-controller-operator-history`.
- **Bolinder Resources ESOP and Trust et al → Bolinder Resources LLC:** 2024-06-04 through current/open; derived from co-tenure at mine 4201247; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 15
- 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 3 historical accident/injury rows; 1 coded fatalities and 103 lost days across the published record.
2. **COMPLIANCE — 12 since 2021:** Violations and penalties 133 violation rows across the full record; 32 carry an S&S flag and $87,653 appears in current assessed amounts.
3. **HEALTH — 31 samples:** Occupational health samples 31 personal. 4 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 3K employee hours and 39 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 32 linked rows:** Contests, conferences and decisions 16 contested-violation rows, 15 civil-penalty docket/decision rows, and 1 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 — 6 since 2021:** Inspections 71 inspection events and 1K 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 56.12008 — Insulation and fittings for power wires and cables.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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 56.4201 — Inspection.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **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 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **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 56.14100 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2001-01-19 through 2011-02-24; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-09-16 through 2026-09-16; source ID `msha-addresses`
- **Assessed Violations:** 131 rows; 2000-04-19 through 2026-03-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 15 rows; 2011-12-16 through 2014-10-29; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2000-10-17 through 2000-10-17; source ID `msha-conferences`
- **Contested Violations:** 16 rows; 2011-02-24 through 2026-03-17; source ID `msha-contested-violations`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2009-07-14; source ID `msha-controller-operator-history`
- **Inspections:** 71 rows; 2000-04-19 through 2026-09-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 192 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 37 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:** 31 rows; 2002-09-19 through 2023-12-19; source ID `msha-personal-health-samples`
- **Violations:** 133 rows; 2000-04-19 through 2026-03-17; 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/crushing-sampling-unit-4201247`
- JSON: `/api/v1/mines/crushing-sampling-unit-4201247`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4201247/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4201247/relationships`
- MCP resource: `mine://4201247/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`