# Bonner Springs-Plant #7

- **MSHA mine ID:** 1401484
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Johnson, KS
- **Operator:** Holliday Sand & Gravel
- **Controller:** CRH PLC
- **Public source rows linked:** 387
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**CRH PLC (M06183) → Holliday Sand & Gravel (0094885) → Bonner Springs-Plant #7 (1401484)**

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

## Controller and operator valid-time history

- **Peter E  Powell → Builders Sand Company:** 1985-08-01 through 1999-01-20; derived from co-tenure at mine 1401484; source `msha-controller-operator-history`.
- **List & Clark Construction Company → Holliday Sand & Gravel:** 1999-01-21 through 2008-07-31; derived from co-tenure at mine 1401484; source `msha-controller-operator-history`.
- **Ash Grove Cement Company → Holliday Sand & Gravel:** 2008-08-01 through 2018-06-20; derived from co-tenure at mine 1401484; source `msha-controller-operator-history`.
- **CRH PLC → Holliday Sand & Gravel:** 2018-06-21 through current/open; derived from co-tenure at mine 1401484; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 — 0 since 2021:** Accidents and injuries 32 historical accident/injury rows; 0 coded fatalities and 463 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 98 violation rows across the full record; 14 carry an S&S flag and $21,038 appears in current assessed amounts.
3. **HEALTH — 15 samples:** Occupational health samples 15 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 11K employee hours and 16 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 20 linked rows:** Contests, conferences and decisions 7 contested-violation rows, 7 civil-penalty docket/decision rows, and 6 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 — 1 since 2021:** Inspections 52 inspection events and 536 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 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **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 56.12008 — 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 56.16005 — 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 56.4130 — Electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130
- **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 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

- **Accident, Injuries, and Illnesses:** 32 rows; 2000-01-07 through 2016-03-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2022-02-08 through 2022-02-08; source ID `msha-addresses`
- **Assessed Violations:** 98 rows; 2000-09-18 through 2020-09-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 7 rows; 2007-01-23 through 2012-10-18; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2002-01-04 through 2006-01-12; source ID `msha-conferences`
- **Contested Violations:** 7 rows; 2005-12-13 through 2011-11-22; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1985-08-01 through 2008-08-01; source ID `msha-controller-operator-history`
- **Inspections:** 52 rows; 2000-03-23 through 2021-03-26; 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:** 42 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:** 15 rows; 2003-08-19 through 2019-09-25; source ID `msha-personal-health-samples`
- **Violations:** 98 rows; 2000-09-18 through 2020-09-01; 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/bonner-springs-plant-7-1401484`
- JSON: `/api/v1/mines/bonner-springs-plant-7-1401484`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1401484/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1401484/relationships`
- MCP resource: `mine://1401484/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
