# Dingle Pit

- **MSHA mine ID:** 1001673
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Bear Lake, ID
- **Operator:** Staker & Parson Companies
- **Controller:** CRH PLC
- **Public source rows linked:** 310
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → Staker & Parson Companies (0050765) → Dingle Pit (1001673)**

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

## Controller and operator valid-time history

- **Parson Jack B Companies → Parson Ready Mix Company:** 1985-05-01 through 1996-05-02; derived from co-tenure at mine 1001673; source `msha-controller-operator-history`.
- **CRH PLC → Jack B Parson Companies:** 1996-05-03 through 2002-03-26; derived from co-tenure at mine 1001673; source `msha-controller-operator-history`.
- **CRH PLC → Staker & Parson Companies:** 2002-05-30 through current/open; derived from co-tenure at mine 1001673; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 28 violation rows across the full record; 5 carry an S&S flag and $4,690 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 6 personal; 1 area. 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 806 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 5 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 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 — 6 since 2021:** Inspections 45 inspection events and 496 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 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **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 56.14103 — Operators stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103
- **30 CFR 41.20 — Legal identity report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-C/section-41.20
- **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 56.4201 — 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 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.9101 — Operating speeds and control of equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9101
- **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; 2020-04-27 through 2020-04-27; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 1 rows; 2016-09-28 through 2016-09-28; source ID `msha-area-samples`
- **Assessed Violations:** 28 rows; 2000-09-12 through 2018-11-28; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2010-11-17 through 2010-11-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2001-05-02 through 2001-05-02; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2009-03-10 through 2009-03-10; source ID `msha-contested-violations`
- **Controller and Operator History:** 3 rows; 1985-05-01 through 2002-03-27; source ID `msha-controller-operator-history`
- **Inspections:** 45 rows; 2000-09-12 through 2026-06-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 157 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 35 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:** 6 rows; 2001-04-18 through 2026-06-04; source ID `msha-personal-health-samples`
- **Violations:** 28 rows; 2000-09-12 through 2018-11-28; 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/dingle-pit-1001673`
- JSON: `/api/v1/mines/dingle-pit-1001673`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1001673/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1001673/relationships`
- MCP resource: `mine://1001673/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`