# Hilochee Sand Mine

- **MSHA mine ID:** 0801405
- **Status:** Active
- **Type / commodity:** Surface / Sand, Common
- **Location:** Lake, FL
- **Operator:** E R Jahna Industries Inc
- **Controller:** E R Jahna  Industries Inc
- **Public source rows linked:** 486
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**E R Jahna  Industries Inc (M00497) → E R Jahna Industries Inc (L00585) → Hilochee Sand Mine (0801405)**

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

## Controller and operator valid-time history

- **William  Horner et al → Classic Golf Aggregate, LLC:** 2015-06-19 through 2017-04-18; derived from co-tenure at mine 0801405; source `msha-controller-operator-history`.
- **Ellis  Brown → Classic Golf Aggregate, LLC:** 2017-04-19 through 2024-06-09; derived from co-tenure at mine 0801405; source `msha-controller-operator-history`.
- **E R Jahna  Industries Inc → E R Jahna Industries Inc:** 2024-06-10 through current/open; derived from co-tenure at mine 0801405; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 2 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 9 since 2021:** Violations and penalties 40 violation rows across the full record; 6 carry an S&S flag and $5,446 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 13 since 2021:** Inspections 31 inspection events and 298 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 56.12028 — 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 46.5 — New miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.5
- **30 CFR 56.14132 — Horns and backup alarms.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 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 56.18002 — 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 56.4402 — Safety can use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402
- **30 CFR 56.18010 — First aid.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18010

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2017-08-29 through 2022-10-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-10-17 through 2024-10-17; source ID `msha-addresses`
- **Assessed Violations:** 39 rows; 2015-08-31 through 2022-11-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2017-10-19 through 2017-10-19; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2017-05-18 through 2017-05-18; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2017-05-11 through 2017-05-11; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 300 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 37 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 2015-06-19 through 2024-06-10; source ID `msha-controller-operator-history`
- **Inspections:** 31 rows; 2015-08-31 through 2026-09-15; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 22 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:** 6 rows; 2015-09-02 through 2025-07-18; source ID `msha-personal-health-samples`
- **Violations:** 40 rows; 2015-08-31 through 2022-11-09; 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/hilochee-sand-mine-0801405`
- JSON: `/api/v1/mines/hilochee-sand-mine-0801405`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0801405/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0801405/relationships`
- MCP resource: `mine://0801405/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`