# Crushing Plant

- **MSHA mine ID:** 2103551
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Olmsted, MN
- **Operator:** Brannt Valley Inc
- **Controller:** Travis R Hemker
- **Public source rows linked:** 257
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Travis R Hemker (0151061) → Brannt Valley Inc (L18151) → Crushing Plant (2103551)**

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

## Controller and operator valid-time history

- **Royal J  Johnson → Royal Johnson:** 2006-08-08 through 2026-08-16; derived from co-tenure at mine 2103551; source `msha-controller-operator-history`.
- **Travis R Hemker → Brannt Valley Inc:** 2026-08-17 through current/open; derived from co-tenure at mine 2103551; source `msha-controller-operator-history`.
- **Travis R  Hemker et al → Brannt Valley Inc:** 2026-08-17 through 2016-06-26; derived from co-tenure at mine 2103551; source `msha-controller-operator-history`.
- **Robert A  Hemker et al → Brannt Valley Inc:** 2026-08-17 through 2016-06-26; derived from co-tenure at mine 2103551; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- Interval anomalies: 2
- 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 — 0 since 2021:** Violations and penalties 15 violation rows across the full record; 3 carry an S&S flag and $1,320 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 158 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 6 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 3 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 — 7 since 2021:** Inspections 24 inspection events and 131 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 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **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 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.12023 — Guarding electrical connections and resistor grids.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12023
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030

## Source coverage

- **Addresses of Record:** 1 rows; 2008-02-25 through 2008-02-25; source ID `msha-addresses`
- **Assessed Violations:** 15 rows; 2010-07-07 through 2018-10-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 3 rows; 2018-05-23 through 2018-05-23; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 3 rows; 2017-07-20 through 2017-07-20; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 2006-08-08 through 2026-08-17; source ID `msha-controller-operator-history`
- **Inspections:** 24 rows; 2007-10-10 through 2026-06-17; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 152 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`
- **Violations:** 15 rows; 2010-07-07 through 2018-10-16; 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/crushing-plant-2103551`
- JSON: `/api/v1/mines/crushing-plant-2103551`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2103551/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2103551/relationships`
- MCP resource: `mine://2103551/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`