# Dredge Miss Kate

- **MSHA mine ID:** 1512473
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Jefferson, KY
- **Operator:** Nugent Sand Company
- **Controller:** N S C Corp; Sibo Services Inc
- **Public source rows linked:** 235
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**N S C Corp; Sibo Services Inc (M05932) → Nugent Sand Company (L07463) → Dredge Miss Kate (1512473)**

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

## Controller and operator valid-time history

- **William J Cannon Trust → Nugent Sand Company Inc:** 1980-07-01 through 1990-09-30; derived from co-tenure at mine 1512473; source `msha-controller-operator-history`.
- **N S C Corp et al → Nugent Sand Company:** 1990-10-01 through current/open; derived from co-tenure at mine 1512473; source `msha-controller-operator-history`.
- **Sibo Services Inc et al → Nugent Sand Company:** 1990-10-01 through current/open; derived from co-tenure at mine 1512473; source `msha-controller-operator-history`.

- History rows: 3
- 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 — 2 since 2021:** Accidents and injuries 17 historical accident/injury rows; 0 coded fatalities and 809 lost days across the published record.
2. **COMPLIANCE — 3 since 2021:** Violations and penalties 26 violation rows across the full record; 4 carry an S&S flag and $6,692 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 6K employee hours and 12 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 1 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 — 16 since 2021:** Inspections 71 inspection events and 852 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 56.11008 — Restricted clearance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11008
- **30 CFR 56.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 50.20-1 — General instructions for completing MSHA Form 7000-1.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20-1
- **30 CFR 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.16001 — Stacking and storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001
- **30 CFR 56.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **30 CFR 56.12001 — Circuit overload protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12001
- **30 CFR 56.15002 — Hard hats.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15002

## Source coverage

- **Accident, Injuries, and Illnesses:** 17 rows; 2001-10-16 through 2025-01-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-04-16 through 2013-04-16; source ID `msha-addresses`
- **Assessed Violations:** 26 rows; 2000-10-25 through 2024-09-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2025-08-14 through 2025-08-14; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2024-12-12 through 2024-12-12; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2024-09-11 through 2024-09-11; source ID `msha-contested-violations`
- **Controller and Operator History:** 3 rows; 1980-07-01 through 1990-10-01; source ID `msha-controller-operator-history`
- **Inspections:** 71 rows; 2000-03-01 through 2026-06-25; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 46 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; 2001-06-27 through 2026-06-30; source ID `msha-personal-health-samples`
- **Violations:** 26 rows; 2000-10-25 through 2024-09-11; 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/dredge-miss-kate-1512473`
- JSON: `/api/v1/mines/dredge-miss-kate-1512473`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1512473/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1512473/relationships`
- MCP resource: `mine://1512473/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`