# CRUSHER #2

- **MSHA mine ID:** 2103095
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Cottonwood, MN
- **Operator:** L & S Construction Corp
- **Controller:** Mike Dean  Scheffler
- **Public source rows linked:** 703
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Mike Dean  Scheffler (0179161) → L & S Construction Corp (L35357) → CRUSHER #2 (2103095)**

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

## Controller and operator valid-time history

- **Herb L  Scheffler → L & S Construction Corp:** 1995-04-01 through 2023-01-04; derived from co-tenure at mine 2103095; source `msha-controller-operator-history`.
- **Mike Dean  Scheffler → L & S Construction Corp:** 2023-01-05 through current/open; derived from co-tenure at mine 2103095; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 — 19 since 2021:** Violations and penalties 174 violation rows across the full record; 38 carry an S&S flag and $38,732 appears in current assessed amounts.
3. **HEALTH — 13 samples:** Occupational health samples 13 personal. 2 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 3K employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 48 linked rows:** Contests, conferences and decisions 24 contested-violation rows, 24 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 — 6 since 2021:** Inspections 41 inspection events and 469 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 56.12028 — 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 56.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **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 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 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **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 56.23002 — Written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23002
- **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 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 1995-05-01 through 1995-05-01; source ID `msha-addresses`
- **Assessed Violations:** 174 rows; 2000-09-06 through 2026-06-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 24 rows; 2005-04-15 through 2011-05-17; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 24 rows; 2004-09-20 through 2009-08-25; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 1995-04-01 through 1995-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 41 rows; 2000-09-06 through 2026-06-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 199 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 50 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:** 13 rows; 2006-06-27 through 2025-04-22; source ID `msha-personal-health-samples`
- **Violations:** 174 rows; 2000-09-06 through 2026-06-29; 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/crusher-2-2103095`
- JSON: `/api/v1/mines/crusher-2-2103095`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2103095/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2103095/relationships`
- MCP resource: `mine://2103095/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`