# 63 Mobile 1

- **MSHA mine ID:** 3901656
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Meade, SD
- **Operator:** 63 Industries
- **Controller:** Casey  Skyberg; Clyde  Lipp; Lyndon  Bolt
- **Public source rows linked:** 127
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Casey  Skyberg; Clyde  Lipp; Lyndon  Bolt (0190681) → 63 Industries (0176574) → 63 Mobile 1 (3901656)**

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

## Controller and operator valid-time history

- **Lyndon  Bolt et al → 63 Industries:** 2021-05-10 through 2025-02-06; derived from co-tenure at mine 3901656; source `msha-controller-operator-history`.
- **Casey  Skyberg et al → 63 Industries:** 2021-05-10 through 2025-02-06; derived from co-tenure at mine 3901656; source `msha-controller-operator-history`.
- **Lyndon  Bolt et al → 63 Industries:** 2025-02-07 through current/open; derived from co-tenure at mine 3901656; source `msha-controller-operator-history`.
- **Casey  Skyberg et al → 63 Industries:** 2025-02-07 through current/open; derived from co-tenure at mine 3901656; source `msha-controller-operator-history`.
- **Clyde  Lipp et al → 63 Industries:** 2025-02-07 through current/open; derived from co-tenure at mine 3901656; source `msha-controller-operator-history`.

- History rows: 5
- 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 — 37 since 2021:** Violations and penalties 37 violation rows across the full record; 10 carry an S&S flag and $4,672 appears in current assessed amounts.
3. **HEALTH — 10 samples:** Occupational health samples 10 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 460 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
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 — 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 — 18 since 2021:** Inspections 18 inspection events and 187 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 45.4 — Independent contractor register.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-45/section-45.4
- **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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.6
- **30 CFR 46.3 — Training plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **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 56.14206 — Securing movable parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14206
- **30 CFR 56.9300 — Berms or guardrails.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2022-08-05 through 2022-08-05; source ID `msha-addresses`
- **Assessed Violations:** 28 rows; 2021-06-16 through 2026-03-05; source ID `msha-assessed-violations`
- **Controller and Operator History:** 5 rows; 2021-05-10 through 2021-05-10; source ID `msha-controller-operator-history`
- **Inspections:** 18 rows; 2021-06-16 through 2026-09-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 21 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 6 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:** 10 rows; 2021-06-16 through 2026-09-02; source ID `msha-personal-health-samples`
- **Violations:** 37 rows; 2021-06-16 through 2026-09-08; 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/63-mobile-1-3901656`
- JSON: `/api/v1/mines/63-mobile-1-3901656`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3901656/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3901656/relationships`
- MCP resource: `mine://3901656/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`