# R. E. Miller & Sons - Portable (Mobile G

- **MSHA mine ID:** 2402465
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Beaverhead, MT
- **Operator:** RE Miller and Sons Inc
- **Controller:** Rex  Leipheimer; John  Jeffery
- **Public source rows linked:** 128
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Rex  Leipheimer; John  Jeffery (0149601) → RE Miller and Sons Inc (L14232) → R. E. Miller & Sons - Portable (Mobile G (2402465)**

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

## Controller and operator valid-time history

- **Tom J  Miller → RE Miller and Sons Inc:** 2006-10-02 through 2020-06-30; derived from co-tenure at mine 2402465; source `msha-controller-operator-history`.
- **Rex  Leipheimer et al → RE Miller and Sons Inc:** 2020-07-01 through current/open; derived from co-tenure at mine 2402465; source `msha-controller-operator-history`.
- **John  Jeffery et al → RE Miller and Sons Inc:** 2020-07-01 through current/open; derived from co-tenure at mine 2402465; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 6
- 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 — 6 since 2021:** Violations and penalties 16 violation rows across the full record; 2 carry an S&S flag and $1,940 appears in current assessed amounts.
3. **HEALTH — 1 samples:** Occupational health samples 1 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 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 — 6 since 2021:** Inspections 23 inspection events and 211 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 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 56.4402 — Safety can use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402
- **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 46.6 — Newly hired experienced miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.6
- **30 CFR 56.4130 — Electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130

## Source coverage

- **Addresses of Record:** 1 rows; 2021-12-08 through 2021-12-08; source ID `msha-addresses`
- **Assessed Violations:** 16 rows; 2009-05-20 through 2026-03-18; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 28 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Controller and Operator History:** 3 rows; 2006-10-02 through 2006-10-02; source ID `msha-controller-operator-history`
- **Inspections:** 23 rows; 2007-07-24 through 2026-03-18; source ID `msha-inspections`
- **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:** 1 rows; 2012-10-16 through 2012-10-16; source ID `msha-personal-health-samples`
- **Violations:** 16 rows; 2009-05-20 through 2026-03-18; 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/r-e-miller-sons-portable-mobile-g-2402465`
- JSON: `/api/v1/mines/r-e-miller-sons-portable-mobile-g-2402465`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2402465/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2402465/relationships`
- MCP resource: `mine://2402465/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`