# PowerScreen Warrior 1800

- **MSHA mine ID:** 0600605
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Tolland, CT
- **Operator:** Herb Holden Trucking Inc
- **Controller:** Kathleen A  Holden
- **Public source rows linked:** 173
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Kathleen A  Holden (0157021) → Herb Holden Trucking Inc (L07723) → PowerScreen Warrior 1800 (0600605)**

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

## Controller and operator valid-time history

- **Herbert W  Holden → Herb Holden Trucking Inc:** 1985-04-01 through 2019-12-25; derived from co-tenure at mine 0600605; source `msha-controller-operator-history`.
- **Kathleen A  Holden → Herb Holden Trucking Inc:** 2019-12-26 through current/open; derived from co-tenure at mine 0600605; 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 — 0 since 2021:** Violations and penalties 25 violation rows across the full record; 3 carry an S&S flag and $2,077 appears in current assessed amounts.
3. **HEALTH — 4 samples:** Occupational health samples 4 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 1 employee hours and 1 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 — 0 since 2021:** Inspections 25 inspection events and 233 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 56.9300 — 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 56.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.1000 — Notification of commencement of operations and closing of mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **30 CFR 56.4602 — Gauges and regulators.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4602
- **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 56.18002 — 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 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

## Source coverage

- **Addresses of Record:** 1 rows; 2023-06-13 through 2023-06-13; source ID `msha-addresses`
- **Assessed Violations:** 25 rows; 2002-07-17 through 2016-03-15; source ID `msha-assessed-violations`
- **Controller and Operator History:** 2 rows; 1985-04-01 through 1985-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 25 rows; 2002-07-17 through 2019-08-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 71 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 19 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:** 4 rows; 2002-07-18 through 2009-03-12; source ID `msha-personal-health-samples`
- **Violations:** 25 rows; 2002-07-17 through 2016-03-15; 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/powerscreen-warrior-1800-0600605`
- JSON: `/api/v1/mines/powerscreen-warrior-1800-0600605`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0600605/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0600605/relationships`
- MCP resource: `mine://0600605/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`