# Portable Crusher #2

- **MSHA mine ID:** 2100083
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Olmsted, MN
- **Operator:** Paulson Rock Products
- **Controller:** Mike  Paulson; Tom  Paulson
- **Public source rows linked:** 143
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Mike  Paulson; Tom  Paulson (0169483) → Paulson Rock Products (0051534) → Portable Crusher #2 (2100083)**

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

## Controller and operator valid-time history

- **James D  Paulson et al → Stussy Construction:** 1950-01-01 through 2003-04-30; derived from co-tenure at mine 2100083; source `msha-controller-operator-history`.
- **James D  Paulson et al → Paulson Rock Products:** 2003-05-01 through 2019-08-01; derived from co-tenure at mine 2100083; source `msha-controller-operator-history`.
- **Mike  Paulson et al → Paulson Rock Products:** 2019-08-02 through current/open; derived from co-tenure at mine 2100083; source `msha-controller-operator-history`.
- **Tom  Paulson et al → Paulson Rock Products:** 2019-08-02 through current/open; derived from co-tenure at mine 2100083; source `msha-controller-operator-history`.
- **Mike  Paulson et al → Stussy Construction:** 2022-05-25 through 2003-04-30; derived from co-tenure at mine 2100083; source `msha-controller-operator-history`.
- **Tom J Paulson et al → Stussy Construction:** 2022-05-25 through 2003-04-30; derived from co-tenure at mine 2100083; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 12
- Interval anomalies: 2
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 26 violation rows across the full record; 6 carry an S&S flag and $2,737 appears in current assessed amounts.
3. **HEALTH — 2 samples:** Occupational health samples 2 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 17 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 17 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 — 0 since 2021:** Inspections 10 inspection events and 94 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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.14109 — Unguarded conveyors with adjacent travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14109
- **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 56.12004 — 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 56.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011
- **30 CFR 56.13015 — Inspection of compressed-air receivers and other unfired pressure vessels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13015
- **30 CFR 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.9301 — Dump site restraints.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9301
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2006-02-01 through 2006-02-01; source ID `msha-addresses`
- **Assessed Violations:** 26 rows; 2000-06-28 through 2003-07-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 17 rows; 2001-01-12 through 2001-08-02; source ID `msha-civil-penalty-dockets-decisions`
- **Controller and Operator History:** 6 rows; 1950-01-01 through 2003-05-01; source ID `msha-controller-operator-history`
- **Inspections:** 10 rows; 2000-06-28 through 2006-02-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 46 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 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:** 2 rows; 2001-08-08 through 2001-08-08; source ID `msha-personal-health-samples`
- **Violations:** 26 rows; 2000-06-28 through 2003-07-09; 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/portable-crusher-2-2100083`
- JSON: `/api/v1/mines/portable-crusher-2-2100083`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2100083/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2100083/relationships`
- MCP resource: `mine://2100083/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`