# MN Portable Crusher 083 (A5753 Cone)

- **MSHA mine ID:** 2102674
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Mille Lacs, MN
- **Operator:** Cemstone Products Company
- **Controller:** Tim L  Becken; Thorwald L  Becken
- **Public source rows linked:** 202
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Tim L  Becken; Thorwald L  Becken (0187783) → Cemstone Products Company (L03288) → MN Portable Crusher 083 (A5753 Cone) (2102674)**

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

## Controller and operator valid-time history

- **Dennis  Pinz → Pinz Sand & Gravel Inc:** 1950-01-01 through 1995-06-29; derived from co-tenure at mine 2102674; source `msha-controller-operator-history`.
- **Hammond T Becken et al → Cemstone Products Company:** 1995-06-30 through 2025-08-17; derived from co-tenure at mine 2102674; source `msha-controller-operator-history`.
- **Tim L Becken et al → Cemstone Products Company:** 1995-06-30 through 2025-08-17; derived from co-tenure at mine 2102674; source `msha-controller-operator-history`.
- **Tim L  Becken et al → Cemstone Products Company:** 2025-08-18 through current/open; derived from co-tenure at mine 2102674; source `msha-controller-operator-history`.
- **Thorwald L  Becken et al → Cemstone Products Company:** 2025-08-18 through current/open; derived from co-tenure at mine 2102674; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 10
- 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 1 historical accident/injury rows; 0 coded fatalities and 264 lost days across the published record.
2. **COMPLIANCE — 4 since 2021:** Violations and penalties 31 violation rows across the full record; 9 carry an S&S flag and $5,086 appears in current assessed amounts.
3. **HEALTH — 15 samples:** Occupational health samples 15 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 948 employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 4 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 — 8 since 2021:** Inspections 36 inspection events and 301 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 46.7 — New task training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **30 CFR 56.14105 — Procedures during repairs or maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14105
- **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
- **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 46.11 — Site-specific hazard awareness training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.11
- **30 CFR 56.14200 — Warnings prior to starting or moving equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200
- **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
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **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 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2019-06-06 through 2019-06-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-10-28 through 2025-10-28; source ID `msha-addresses`
- **Assessed Violations:** 31 rows; 2003-05-07 through 2022-07-27; source ID `msha-assessed-violations`
- **Conferences:** 4 rows; 2019-09-04 through 2021-09-07; source ID `msha-conferences`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 1995-06-30; source ID `msha-controller-operator-history`
- **Inspections:** 36 rows; 2000-11-13 through 2026-10-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 23 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 15 rows; 2003-05-08 through 2026-10-07; source ID `msha-personal-health-samples`
- **Violations:** 31 rows; 2003-05-07 through 2022-07-27; 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/mn-portable-crusher-083-a5753-cone-2102674`
- JSON: `/api/v1/mines/mn-portable-crusher-083-a5753-cone-2102674`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2102674/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2102674/relationships`
- MCP resource: `mine://2102674/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`