# MDS #2120

- **MSHA mine ID:** 2003338
- **Status:** Temporarily Idled
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Alpena, MI
- **Operator:** Elmer's Crane and Dozer, Inc.
- **Controller:** RR Holdco, Inc.
- **Public source rows linked:** 245
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**RR Holdco, Inc. (0180601) → Elmer's Crane and Dozer, Inc. (L13257) → MDS #2120 (2003338)**

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

## Controller and operator valid-time history

- **Ken  Cordes → Cordes Excavating, Inc.:** 2005-10-27 through 2012-01-02; derived from co-tenure at mine 2003338; source `msha-controller-operator-history`.
- **Troy L  Broad et al → Elmer's Crane and Dozer, Inc.:** 2012-01-03 through 2023-05-31; derived from co-tenure at mine 2003338; 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 2003338; 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: 2026-10-13T11:19:05.459773+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 — 3 since 2021:** Violations and penalties 12 violation rows across the full record; 0 carry an S&S flag and $1,317 appears in current assessed amounts.
3. **HEALTH — 4 samples:** Occupational health samples 4 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 — 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 22 inspection events and 208 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 56.14100 — 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 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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 56.11002 — 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 56.12032 — 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 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.15001 — First-aid materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **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 56.14132 — 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

## Source coverage

- **Addresses of Record:** 1 rows; 2026-08-24 through 2026-08-24; source ID `msha-addresses`
- **Assessed Violations:** 12 rows; 2007-06-12 through 2025-05-07; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2009-07-30 through 2011-04-22; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 2 rows; 2008-04-29 through 2009-10-27; source ID `msha-contested-violations`
- **Controller and Operator History:** 3 rows; 2005-10-27 through 2012-01-03; source ID `msha-controller-operator-history`
- **Inspections:** 22 rows; 2005-11-28 through 2025-05-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 148 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 38 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:** 4 rows; 2011-05-17 through 2019-10-29; source ID `msha-personal-health-samples`
- **Violations:** 12 rows; 2007-06-12 through 2025-05-07; 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/mds-2120-2003338`
- JSON: `/api/v1/mines/mds-2120-2003338`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2003338/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2003338/relationships`
- MCP resource: `mine://2003338/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
