# INDEPENDENCE QUARRY & MILL

- **MSHA mine ID:** 1400162
- **Status:** Abandoned
- **Type / commodity:** Facility / Cement
- **Location:** Montgomery, KS
- **Operator:** Buzzi Unicem USA
- **Controller:** Buzzi S p A
- **Public source rows linked:** 3,028
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Buzzi S p A (M06982) → Buzzi Unicem USA (L08824) → INDEPENDENCE QUARRY & MILL (1400162)**

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

## Controller and operator valid-time history

- **USX Corp (United States Steel Corp) → Universal Atlas Cement Company:** 1950-01-01 through 1980-10-15; derived from co-tenure at mine 1400162; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Lehigh Portland Cement Company:** 1980-10-16 through 1986-06-24; derived from co-tenure at mine 1400162; source `msha-controller-operator-history`.
- **Buzzi S p A → Buzzi Unicem USA:** 1986-06-25 through current/open; derived from co-tenure at mine 1400162; 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 134 historical accident/injury rows; 0 coded fatalities and 1,082 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 651 violation rows across the full record; 142 carry an S&S flag and $184,165 appears in current assessed amounts.
3. **HEALTH — 81 samples:** Occupational health samples 81 personal. 3 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 45K employee hours and 86 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 378 linked rows:** Contests, conferences and decisions 101 contested-violation rows, 252 civil-penalty docket/decision rows, and 25 conference records linked by issuance number.
6. **CONTRACTORS — 10 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 52 inspection events and 3K 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 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 56.12002 — Controls and switches.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **30 CFR 56.13021 — High-pressure hose connections.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13021
- **30 CFR 56.20003 — Housekeeping.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.9315 — Dust control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9315
- **30 CFR 56.13011 — Air receiver tanks.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13011
- **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 56.14101 — 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 56.14132 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 134 rows; 2000-02-02 through 2008-02-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2008-09-05 through 2008-09-05; source ID `msha-addresses`
- **Assessed Violations:** 629 rows; 2000-01-11 through 2009-07-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 252 rows; 2001-06-26 through 2009-08-12; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 25 rows; 2000-06-13 through 2008-02-08; source ID `msha-conferences`
- **Contested Violations:** 101 rows; 2001-02-21 through 2008-01-14; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 783 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 186 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1986-06-25; source ID `msha-controller-operator-history`
- **Inspections:** 52 rows; 2000-01-11 through 2009-07-20; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 102 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 27 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:** 81 rows; 2000-12-21 through 2007-09-19; source ID `msha-personal-health-samples`
- **Violations:** 651 rows; 2000-01-11 through 2009-07-20; 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/independence-quarry-mill-1400162`
- JSON: `/api/v1/mines/independence-quarry-mill-1400162`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1400162/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1400162/relationships`
- MCP resource: `mine://1400162/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`