# Gerke Plant #5

- **MSHA mine ID:** 4703710
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Monroe, WI
- **Operator:** Gerke Excavating, Inc.
- **Controller:** Paul W/and Diana Gerke Family Trust; Chad  Gerke; Jay  Gerke
- **Public source rows linked:** 438
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Paul W/and Diana Gerke Family Trust; Chad  Gerke; Jay  Gerke (0202863) → Gerke Excavating, Inc. (0051398) → Gerke Plant #5 (4703710)**

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

## Controller and operator valid-time history

- **Richard A  Gerke  et al → Gerke Excavating, Inc.:** 2014-04-02 through 2026-03-31; derived from co-tenure at mine 4703710; source `msha-controller-operator-history`.
- **Chad  Gerke et al → Gerke Excavating, Inc.:** 2026-04-01 through current/open; derived from co-tenure at mine 4703710; source `msha-controller-operator-history`.
- **Paul W/and Diana Gerke Family Trust et al → Gerke Excavating, Inc.:** 2026-04-01 through current/open; derived from co-tenure at mine 4703710; source `msha-controller-operator-history`.
- **Jay  Gerke et al → Gerke Excavating, Inc.:** 2026-04-01 through current/open; derived from co-tenure at mine 4703710; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 7
- 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 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 3 since 2021:** Violations and penalties 16 violation rows across the full record; 3 carry an S&S flag and $1,886 appears in current assessed amounts.
3. **HEALTH — 3 samples:** Occupational health samples 3 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 — 2 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 10 since 2021:** Inspections 30 inspection events and 264 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 46.7 — 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 56.17001 — Illumination of surface working areas.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-P/section-56.17001
- **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 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 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 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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 56.4101 — 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 56.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2015-05-11 through 2015-05-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-08-20 through 2026-08-20; source ID `msha-addresses`
- **Assessed Violations:** 16 rows; 2014-12-16 through 2021-06-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2018-07-18 through 2018-07-18; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 1 rows; 2017-11-21 through 2017-11-21; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 44 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2014-04-02 through 2014-04-02; source ID `msha-controller-operator-history`
- **Inspections:** 30 rows; 2014-06-10 through 2026-08-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 87 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 21 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:** 3 rows; 2017-03-29 through 2021-06-03; source ID `msha-personal-health-samples`
- **Violations:** 16 rows; 2014-12-16 through 2021-06-02; 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/gerke-plant-5-4703710`
- JSON: `/api/v1/mines/gerke-plant-5-4703710`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4703710/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4703710/relationships`
- MCP resource: `mine://4703710/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`