# Schkade Mines

- **MSHA mine ID:** 4103877
- **Status:** Active
- **Type / commodity:** Surface / Dimension Limestone
- **Location:** Jones, TX
- **Operator:** El Prado Stone, LP
- **Controller:** Ryan  Mays
- **Public source rows linked:** 1,643
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Ryan  Mays (0175300) → El Prado Stone, LP (0138093) → Schkade Mines (4103877)**

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

## Controller and operator valid-time history

- **Dennis  Schkade → Schkade Mines Inc:** 1995-09-01 through 2008-03-31; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **Steve  Cole → Champion Stone Company LLC:** 2008-04-01 through 2015-01-28; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **Vannie  Collins et al → El Prado Stone, LP:** 2015-01-29 through 2017-04-17; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **George  Karutz et al → El Prado Stone, LP:** 2015-01-29 through 2017-04-17; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **George  Karutz et al → El Prado Stone, LP:** 2017-04-18 through 2020-04-16; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **Meade  Flavin et al → El Prado Stone, LP:** 2017-04-18 through 2020-04-16; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **Craig  Leeder et al → El Prado Stone, LP:** 2017-04-18 through 2020-04-16; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **George  Karutz et al → El Prado Stone, LP:** 2020-04-17 through 2023-02-08; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **Meade  Flavin et al → El Prado Stone, LP:** 2020-04-17 through 2023-02-08; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.
- **Ryan  Mays → El Prado Stone, LP:** 2023-02-09 through current/open; derived from co-tenure at mine 4103877; source `msha-controller-operator-history`.

- History rows: 10
- Typed edges: 19
- 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 — 3 since 2021:** Accidents and injuries 35 historical accident/injury rows; 0 coded fatalities and 955 lost days across the published record.
2. **COMPLIANCE — 104 since 2021:** Violations and penalties 311 violation rows across the full record; 79 carry an S&S flag and $209,171 appears in current assessed amounts.
3. **HEALTH — 45 samples:** Occupational health samples 45 personal. 1 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 21K employee hours and 33 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 87 linked rows:** Contests, conferences and decisions 38 contested-violation rows, 38 civil-penalty docket/decision rows, and 11 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 — 18 since 2021:** Inspections 85 inspection events and 2K 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 56.12025 — Grounding circuit enclosures.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **30 CFR 47.41 — Requirement for container labels.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.23002 — Written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23002
- **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 56.16005 — 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 56.12008 — 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 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028

## Source coverage

- **Accident, Injuries, and Illnesses:** 35 rows; 2001-12-20 through 2022-07-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1995-11-02 through 1995-11-02; source ID `msha-addresses`
- **Assessed Violations:** 309 rows; 2000-03-14 through 2026-07-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 38 rows; 2006-05-05 through 2021-08-24; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 11 rows; 2000-10-30 through 2024-11-07; source ID `msha-conferences`
- **Contested Violations:** 38 rows; 2004-10-22 through 2020-12-30; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 360 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 91 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 10 rows; 1995-09-01 through 2015-01-29; source ID `msha-controller-operator-history`
- **Inspections:** 85 rows; 2000-03-14 through 2026-07-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 248 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 60 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:** 45 rows; 2002-07-17 through 2021-05-27; source ID `msha-personal-health-samples`
- **Violations:** 311 rows; 2000-03-14 through 2026-07-29; 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/schkade-mines-4103877`
- JSON: `/api/v1/mines/schkade-mines-4103877`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4103877/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4103877/relationships`
- MCP resource: `mine://4103877/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`