# Grimsley Sand Mine

- **MSHA mine ID:** 4003063
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Fentress, TN
- **Operator:** Rogers Group Inc.
- **Controller:** Rogers Group Inc
- **Public source rows linked:** 223
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rogers Group Inc (M00452) → Rogers Group Inc. (L06514) → Grimsley Sand Mine (4003063)**

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

## Controller and operator valid-time history

- **Eward  Hood → Sand Supply:** 1992-06-01 through 2002-09-29; derived from co-tenure at mine 4003063; source `msha-controller-operator-history`.
- **Allen  Linder et al → Plateau Sand Co.:** 2002-09-30 through 2004-01-21; derived from co-tenure at mine 4003063; source `msha-controller-operator-history`.
- **Allen  Linder et al → Livingston Limestone Co Inc:** 2004-01-22 through 2004-03-31; derived from co-tenure at mine 4003063; source `msha-controller-operator-history`.
- **W T  Ratliff Jr  et al → Tennessee Aggregate Company, LLC:** 2004-04-01 through 2008-06-30; derived from co-tenure at mine 4003063; source `msha-controller-operator-history`.
- **Donna R  Mc Allister  et al → Tennessee Aggregate Company, LLC:** 2004-04-01 through 2008-06-30; derived from co-tenure at mine 4003063; source `msha-controller-operator-history`.
- **Rogers Group Inc → Rogers Group Inc.:** 2008-07-01 through current/open; derived from co-tenure at mine 4003063; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 16
- 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 7 historical accident/injury rows; 0 coded fatalities and 9 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 40 violation rows across the full record; 10 carry an S&S flag and $3,352 appears in current assessed amounts.
3. **HEALTH — 10 samples:** Occupational health samples 10 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 0 employee hours and 0 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 — 0 since 2021:** Inspections 28 inspection events and 335 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.12005 — Protection of power conductors from mobile equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12005
- **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 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.12008 — 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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2003-04-25 through 2006-10-04; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-02-12 through 2009-02-12; source ID `msha-addresses`
- **Assessed Violations:** 40 rows; 2000-06-21 through 2008-03-25; source ID `msha-assessed-violations`
- **Controller and Operator History:** 6 rows; 1992-06-01 through 2008-07-01; source ID `msha-controller-operator-history`
- **Inspections:** 28 rows; 2000-01-05 through 2008-03-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 74 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 16 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:** 10 rows; 2004-01-06 through 2005-11-30; source ID `msha-personal-health-samples`
- **Violations:** 40 rows; 2000-06-21 through 2008-03-25; 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/grimsley-sand-mine-4003063`
- JSON: `/api/v1/mines/grimsley-sand-mine-4003063`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4003063/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4003063/relationships`
- MCP resource: `mine://4003063/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
