# No 1

- **MSHA mine ID:** 1200642
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Porter, IN
- **Operator:** Crisman Sand Company Inc
- **Controller:** Paul R  Chael; Glenda M  Snyder; Greg  Thomas
- **Public source rows linked:** 138
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Paul R  Chael; Glenda M  Snyder; Greg  Thomas (0158241) → Crisman Sand Company Inc (L32211) → No 1 (1200642)**

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

## Controller and operator valid-time history

- **Edward P  Nicholson → Crisman Sand Company Inc:** 1950-01-01 through 2020-10-06; derived from co-tenure at mine 1200642; source `msha-controller-operator-history`.
- **Glenda M  Snyder et al → Crisman Sand Company Inc:** 2020-10-07 through current/open; derived from co-tenure at mine 1200642; source `msha-controller-operator-history`.
- **Paul R  Chael et al → Crisman Sand Company Inc:** 2020-10-07 through current/open; derived from co-tenure at mine 1200642; source `msha-controller-operator-history`.
- **Greg  Thomas et al → Crisman Sand Company Inc:** 2020-10-07 through current/open; derived from co-tenure at mine 1200642; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 7
- 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 0 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 $5,637 appears in current assessed amounts.
3. **HEALTH — 1 samples:** Occupational health samples 1 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 4K employee hours and 8 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 — 0 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 — 10 since 2021:** Inspections 13 inspection events and 127 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 56.12019 — Access to stationary electrical equipment or switchgear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12019
- **30 CFR 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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 46.9 — Records of training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **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 56.12006 — Distribution boxes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12006
- **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 56.15001 — 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

## Source coverage

- **Addresses of Record:** 1 rows; 2025-11-05 through 2025-11-05; source ID `msha-addresses`
- **Assessed Violations:** 28 rows; 2020-08-19 through 2026-06-09; source ID `msha-assessed-violations`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 1950-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 13 rows; 2020-08-18 through 2026-06-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 48 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 14 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:** 1 rows; 2026-02-11 through 2026-02-11; source ID `msha-personal-health-samples`
- **Violations:** 28 rows; 2020-08-19 through 2026-06-09; 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/no-1-1200642`
- JSON: `/api/v1/mines/no-1-1200642`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1200642/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1200642/relationships`
- MCP resource: `mine://1200642/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`