# Adams Quarry

- **MSHA mine ID:** 1200049
- **Status:** Active
- **Type / commodity:** Surface / Dimension Limestone
- **Location:** Monroe, IN
- **Operator:** IN Limestone Co
- **Controller:** Polycor Inc
- **Public source rows linked:** 214
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Polycor Inc (M12431) → IN Limestone Co (0134433) → Adams Quarry (1200049)**

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

## Controller and operator valid-time history

- **Tucker John D Et Al → Indiana Limestone Company Inc:** 1992-04-01 through 2002-12-22; derived from co-tenure at mine 1200049; source `msha-controller-operator-history`.
- **Johnson Ventures II Incorporated → Indiana Limestone Company Inc:** 2002-12-23 through 2010-11-14; derived from co-tenure at mine 1200049; source `msha-controller-operator-history`.
- **Resilience Capital Partners → Indiana Limestone Company Inc:** 2010-11-15 through 2017-09-24; derived from co-tenure at mine 1200049; source `msha-controller-operator-history`.
- **Limestone Holdings Corporation → IN Limestone Co:** 2017-09-25 through 2014-05-12; derived from co-tenure at mine 1200049; source `msha-controller-operator-history`.
- **Wynnchurch Capital → IN Limestone Co:** 2017-09-25 through 2018-10-10; derived from co-tenure at mine 1200049; source `msha-controller-operator-history`.
- **Polycor Inc → IN Limestone Co:** 2018-10-11 through current/open; derived from co-tenure at mine 1200049; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 14
- Interval anomalies: 1
- 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 — 3 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 24 since 2021:** Violations and penalties 28 violation rows across the full record; 8 carry an S&S flag and $9,375 appears in current assessed amounts.
3. **HEALTH — 9 samples:** Occupational health samples 7 personal; 2 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 12K employee hours and 21 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 — 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 — 15 since 2021:** Inspections 20 inspection events and 241 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 56.4201 — 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 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 56.14100 — Safety defects; examination, correction and records.** (3 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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **30 CFR 56.15004 — Eye protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15004
- **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 56.18002 — 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 56.11001 — 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 56.14107 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2023-05-05 through 2025-11-18; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-04-02 through 2021-04-02; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 2 rows; 2025-05-13 through 2025-05-13; source ID `msha-area-samples`
- **Assessed Violations:** 28 rows; 2018-05-08 through 2025-03-17; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 58 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 15 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1992-04-01 through 2017-09-25; source ID `msha-controller-operator-history`
- **Inspections:** 20 rows; 2018-05-07 through 2026-05-28; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 35 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 10 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:** 7 rows; 2021-03-29 through 2025-05-13; source ID `msha-personal-health-samples`
- **Violations:** 28 rows; 2018-05-08 through 2025-03-17; 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/adams-quarry-1200049`
- JSON: `/api/v1/mines/adams-quarry-1200049`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1200049/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1200049/relationships`
- MCP resource: `mine://1200049/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`