# KPI-JCI Screen #1179

- **MSHA mine ID:** 2002856
- **Status:** Temporarily Idled
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Montmorency, MI
- **Operator:** Elmer's Crane and Dozer, Inc.
- **Controller:** RR Holdco, Inc.
- **Public source rows linked:** 123
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**RR Holdco, Inc. (0180601) → Elmer's Crane and Dozer, Inc. (L13257) → KPI-JCI Screen #1179 (2002856)**

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

## Controller and operator valid-time history

- **Steve  Drenth → Drenth Brothers Inc:** 1990-10-01 through 2010-04-15; derived from co-tenure at mine 2002856; source `msha-controller-operator-history`.
- **Troy L  Broad et al → Elmer's Crane and Dozer, Inc.:** 2010-04-16 through 2023-05-31; derived from co-tenure at mine 2002856; source `msha-controller-operator-history`.
- **RR Holdco, Inc. → Elmer's Crane and Dozer, Inc.:** 2023-06-01 through current/open; derived from co-tenure at mine 2002856; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 1 since 2021:** Violations and penalties 16 violation rows across the full record; 3 carry an S&S flag and $1,345 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 1K employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 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 — 5 since 2021:** Inspections 23 inspection events and 244 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 56.9303 — Construction of ramps and dumping facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9303
- **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 56.20011 — 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 56.12008 — 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 56.11002 — 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 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 56.15003 — Protective footwear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15003
- **30 CFR 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **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 62.130 — Permissible exposure level.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130

## Source coverage

- **Addresses of Record:** 1 rows; 2026-08-24 through 2026-08-24; source ID `msha-addresses`
- **Assessed Violations:** 16 rows; 2000-09-07 through 2022-07-14; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2010-05-21 through 2010-05-21; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 2 rows; 2009-08-11 through 2009-08-11; source ID `msha-contested-violations`
- **Controller and Operator History:** 3 rows; 1990-10-01 through 2010-04-16; source ID `msha-controller-operator-history`
- **Inspections:** 23 rows; 2000-09-07 through 2025-08-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 17 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 39 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; 2001-08-08 through 2022-07-14; source ID `msha-personal-health-samples`
- **Violations:** 16 rows; 2000-09-07 through 2022-07-14; 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/kpi-jci-screen-1179-2002856`
- JSON: `/api/v1/mines/kpi-jci-screen-1179-2002856`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2002856/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2002856/relationships`
- MCP resource: `mine://2002856/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
