# Portable Crusher #3

- **MSHA mine ID:** 2103213
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Olmsted, MN
- **Operator:** Paulson Rock Products
- **Controller:** Mike  Paulson; Tom  Paulson
- **Public source rows linked:** 617
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Mike  Paulson; Tom  Paulson (0169483) → Paulson Rock Products (0051534) → Portable Crusher #3 (2103213)**

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:** 1999-08-01 through 2003-04-30; derived from co-tenure at mine 2103213; 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 2103213; source `msha-controller-operator-history`.
- **Tom  Paulson et al → Paulson Rock Products:** 2019-08-02 through current/open; derived from co-tenure at mine 2103213; source `msha-controller-operator-history`.
- **Mike  Paulson et al → Paulson Rock Products:** 2019-08-02 through current/open; derived from co-tenure at mine 2103213; 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 2103213; source `msha-controller-operator-history`.
- **Mike  Paulson et al → Stussy Construction:** 2022-05-25 through 2003-04-30; derived from co-tenure at mine 2103213; 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 — 28 since 2021:** Violations and penalties 162 violation rows across the full record; 35 carry an S&S flag and $40,226 appears in current assessed amounts.
3. **HEALTH — 11 samples:** Occupational health samples 11 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 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 15 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 8 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 44 inspection events and 609 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 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 56.18002 — Examination of working places.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **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 56.12032 — 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 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101

## Source coverage

- **Addresses of Record:** 1 rows; 1999-08-12 through 1999-08-12; source ID `msha-addresses`
- **Assessed Violations:** 161 rows; 2000-07-12 through 2026-05-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 8 rows; 2001-05-09 through 2012-02-16; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2026-06-03 through 2026-06-03; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2009-05-28 through 2009-05-28; source ID `msha-contested-violations`
- **Controller and Operator History:** 6 rows; 1999-08-01 through 2003-05-01; source ID `msha-controller-operator-history`
- **Inspections:** 44 rows; 2000-05-02 through 2026-05-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 181 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 35 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:** 11 rows; 2004-06-23 through 2023-10-18; source ID `msha-personal-health-samples`
- **Violations:** 162 rows; 2000-07-12 through 2026-05-13; 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/portable-crusher-3-2103213`
- JSON: `/api/v1/mines/portable-crusher-3-2103213`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2103213/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2103213/relationships`
- MCP resource: `mine://2103213/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`