# Portable Crushing 4

- **MSHA mine ID:** 1302128
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Delaware, IA
- **Operator:** BARD Materials
- **Controller:** Tony  Thier
- **Public source rows linked:** 340
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Tony  Thier (0112283) → BARD Materials (L00294) → Portable Crushing 4 (1302128)**

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

## Controller and operator valid-time history

- **Reid E  Kuhlman et al → Kuhlman Construction Company:** 1985-08-01 through 2010-12-21; derived from co-tenure at mine 1302128; source `msha-controller-operator-history`.
- **Rick L  Kuhlman et al → Kuhlman Construction Company:** 1985-08-01 through 2010-12-21; derived from co-tenure at mine 1302128; source `msha-controller-operator-history`.
- **Kermit Construction et al → Kuhlman Construction LC:** 2010-12-22 through 2014-03-02; derived from co-tenure at mine 1302128; source `msha-controller-operator-history`.
- **Bard Acquisitions II, LLC et al → Kuhlman Construction LC:** 2010-12-22 through 2014-03-02; derived from co-tenure at mine 1302128; source `msha-controller-operator-history`.
- **Tony  Thier → BARD Materials:** 2014-03-03 through current/open; derived from co-tenure at mine 1302128; source `msha-controller-operator-history`.
- **Dennis J  Thier et al → BARD Materials:** 2014-03-03 through 2014-03-02; derived from co-tenure at mine 1302128; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 13
- Interval anomalies: 1
- 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 1 historical accident/injury rows; 0 coded fatalities and 48 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 69 violation rows across the full record; 9 carry an S&S flag and $6,529 appears in current assessed amounts.
3. **HEALTH — 8 samples:** Occupational health samples 8 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 2 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 13 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 13 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 33 inspection events and 381 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 56.15005 — 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 56.18002 — 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 56.12013 — Splices and repairs of power cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12013
- **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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2010-08-10 through 2010-08-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-08-02 through 2016-08-02; source ID `msha-addresses`
- **Assessed Violations:** 68 rows; 2000-06-12 through 2014-11-06; source ID `msha-assessed-violations`
- **Conferences:** 13 rows; 2000-06-29 through 2005-01-20; source ID `msha-conferences`
- **Controller and Operator History:** 6 rows; 1985-08-01 through 2014-03-03; source ID `msha-controller-operator-history`
- **Inspections:** 33 rows; 2000-06-12 through 2014-11-12; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 122 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 18 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:** 8 rows; 2003-10-28 through 2010-10-13; source ID `msha-personal-health-samples`
- **Violations:** 69 rows; 2000-06-12 through 2014-11-06; 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-crushing-4-1302128`
- JSON: `/api/v1/mines/portable-crushing-4-1302128`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1302128/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1302128/relationships`
- MCP resource: `mine://1302128/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`