# Kansas Falls Quarry

- **MSHA mine ID:** 1401666
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Geary, KS
- **Operator:** Bayer Construction Company, Inc.
- **Controller:** Bayer Construction Company Inc
- **Public source rows linked:** 866
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Bayer Construction Company Inc (M00297) → Bayer Construction Company, Inc. (L00361) → Kansas Falls Quarry (1401666)**

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

## Controller and operator valid-time history

- **Bayer Construction Company Inc → Bayer Construction Company, Inc.:** 2006-05-30 through current/open; derived from co-tenure at mine 1401666; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 1 since 2021:** Accidents and injuries 8 historical accident/injury rows; 1 coded fatalities and 40 lost days across the published record.
2. **COMPLIANCE — 57 since 2021:** Violations and penalties 198 violation rows across the full record; 39 carry an S&S flag and $94,230 appears in current assessed amounts.
3. **HEALTH — 21 samples:** Occupational health samples 21 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 — 55 linked rows:** Contests, conferences and decisions 27 contested-violation rows, 27 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 21 since 2021:** Inspections 65 inspection events and 1K 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 56.14100 — Safety defects; examination, correction and records.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **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
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 46.7 — New task training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2007-07-06 through 2023-07-31; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-03-03 through 2011-03-03; source ID `msha-addresses`
- **Assessed Violations:** 196 rows; 2006-07-24 through 2026-07-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 27 rows; 2011-08-30 through 2017-03-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2007-04-18 through 2007-04-18; source ID `msha-conferences`
- **Contested Violations:** 27 rows; 2011-02-15 through 2014-09-23; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 15 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 5 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2006-05-30 through 2006-05-30; source ID `msha-controller-operator-history`
- **Inspections:** 65 rows; 2006-07-18 through 2026-07-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 238 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 62 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:** 21 rows; 2008-10-07 through 2025-05-07; source ID `msha-personal-health-samples`
- **Violations:** 198 rows; 2006-07-24 through 2026-07-30; 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/kansas-falls-quarry-1401666`
- JSON: `/api/v1/mines/kansas-falls-quarry-1401666`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1401666/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1401666/relationships`
- MCP resource: `mine://1401666/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`