# Skyline Companies, Inc-CRUSHER

- **MSHA mine ID:** 2103279
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Mcleod, MN
- **Operator:** Skyline Companies, Inc
- **Controller:** Dedra  Reiner; Frank  Little; Craig  Reiner
- **Public source rows linked:** 231
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Dedra  Reiner; Frank  Little; Craig  Reiner (0199323) → Skyline Companies, Inc (L16481) → Skyline Companies, Inc-CRUSHER (2103279)**

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

## Controller and operator valid-time history

- **Craig S  Reiner → Skyline Companies, Inc:** 2001-04-01 through 2025-12-31; derived from co-tenure at mine 2103279; source `msha-controller-operator-history`.
- **Craig  Reiner et al → Skyline Companies, Inc:** 2026-01-01 through current/open; derived from co-tenure at mine 2103279; source `msha-controller-operator-history`.
- **Frank  Little et al → Skyline Companies, Inc:** 2026-01-01 through current/open; derived from co-tenure at mine 2103279; source `msha-controller-operator-history`.
- **Dedra  Reiner et al → Skyline Companies, Inc:** 2026-01-01 through current/open; derived from co-tenure at mine 2103279; 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: 2026-10-17T05:35:58.500035+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 — 2 since 2021:** Violations and penalties 55 violation rows across the full record; 11 carry an S&S flag and $5,568 appears in current assessed amounts.
3. **HEALTH — 17 samples:** Occupational health samples 17 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 300 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 3 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 37 inspection events and 406 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 56.12018 — 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 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 56.3131 — Pit or quarry wall perimeter.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3131
- **30 CFR 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.14107 — 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

## Source coverage

- **Addresses of Record:** 1 rows; 2006-11-27 through 2006-11-27; source ID `msha-addresses`
- **Assessed Violations:** 54 rows; 2001-05-31 through 2024-06-04; source ID `msha-assessed-violations`
- **Conferences:** 3 rows; 2008-10-09 through 2008-10-09; source ID `msha-conferences`
- **Controller and Operator History:** 4 rows; 2001-04-01 through 2001-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 37 rows; 2001-05-30 through 2026-04-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 10 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 49 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:** 17 rows; 2001-05-31 through 2024-06-05; source ID `msha-personal-health-samples`
- **Violations:** 55 rows; 2001-05-31 through 2024-06-04; 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/skyline-companies-inc-crusher-2103279`
- JSON: `/api/v1/mines/skyline-companies-inc-crusher-2103279`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2103279/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2103279/relationships`
- MCP resource: `mine://2103279/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`