# Pryor Stone #2

- **MSHA mine ID:** 3400530
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Mayes, OK
- **Operator:** Pryor Stone Inc
- **Controller:** James A  Kemp; Melinda S  Kemp
- **Public source rows linked:** 2,041
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**James A  Kemp; Melinda S  Kemp (M03182) → Pryor Stone Inc (L03973) → Pryor Stone #2 (3400530)**

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

## Controller and operator valid-time history

- **Melinda S  Kemp et al → Pryor Stone Inc:** 1950-01-01 through current/open; derived from co-tenure at mine 3400530; source `msha-controller-operator-history`.
- **James A  Kemp et al → Pryor Stone Inc:** 1950-01-01 through current/open; derived from co-tenure at mine 3400530; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- 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 — 2 since 2021:** Accidents and injuries 20 historical accident/injury rows; 0 coded fatalities and 330 lost days across the published record.
2. **COMPLIANCE — 72 since 2021:** Violations and penalties 359 violation rows across the full record; 108 carry an S&S flag and $187,434 appears in current assessed amounts.
3. **HEALTH — 61 samples:** Occupational health samples 61 personal. 5 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 24K employee hours and 38 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 120 linked rows:** Contests, conferences and decisions 54 contested-violation rows, 57 civil-penalty docket/decision rows, and 9 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 — 20 since 2021:** Inspections 86 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 56.12023 — Guarding electrical connections and resistor grids.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12023
- **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 56.9300 — 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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **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 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 20 rows; 2000-02-03 through 2025-11-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-09-28 through 2004-09-28; source ID `msha-addresses`
- **Assessed Violations:** 356 rows; 2000-05-11 through 2026-04-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 57 rows; 2001-03-02 through 2023-01-31; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 9 rows; 2000-08-09 through 2005-05-25; source ID `msha-conferences`
- **Contested Violations:** 54 rows; 2005-03-30 through 2026-04-14; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 627 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 98 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1950-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 86 rows; 2000-05-11 through 2026-07-20; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 252 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 58 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:** 61 rows; 2001-08-28 through 2024-07-10; source ID `msha-personal-health-samples`
- **Violations:** 359 rows; 2000-05-11 through 2026-04-16; 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/pryor-stone-2-3400530`
- JSON: `/api/v1/mines/pryor-stone-2-3400530`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3400530/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3400530/relationships`
- MCP resource: `mine://3400530/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`