# Teletractors Inc dba Fremont Sand & Grav

- **MSHA mine ID:** 4801538
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Sublette, WY
- **Operator:** Teletractors Inc
- **Controller:** Mark E  Biffle
- **Public source rows linked:** 366
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Mark E  Biffle (M11543) → Teletractors Inc (L15149) → Teletractors Inc dba Fremont Sand & Grav (4801538)**

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

## Controller and operator valid-time history

- **Mark E  Biffle → Teletractors Inc:** 1996-08-01 through current/open; derived from co-tenure at mine 4801538; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 1 lost days across the published record.
2. **COMPLIANCE — 16 since 2021:** Violations and penalties 34 violation rows across the full record; 8 carry an S&S flag and $4,668 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 7 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 553 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 1 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 — 11 since 2021:** Inspections 42 inspection events and 419 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 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 57.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4201
- **30 CFR 56.4201 — Inspection.** (3 retained recent rows) — 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 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 56.4203 — Extinguisher recharging or replacement.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 45.4 — Independent contractor register.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-45/section-45.4
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2011-05-12 through 2011-05-12; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-10-01 through 2024-10-01; source ID `msha-addresses`
- **Assessed Violations:** 34 rows; 2004-04-14 through 2025-02-25; source ID `msha-assessed-violations`
- **Conferences:** 1 rows; 2011-12-05 through 2011-12-05; source ID `msha-conferences`
- **Controller and Operator History:** 1 rows; 1996-08-01 through 1996-08-01; source ID `msha-controller-operator-history`
- **Inspections:** 42 rows; 2002-05-07 through 2026-03-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 194 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 50 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:** 7 rows; 2005-06-02 through 2026-03-31; source ID `msha-personal-health-samples`
- **Violations:** 34 rows; 2004-04-14 through 2025-02-25; 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/teletractors-inc-dba-fremont-sand-grav-4801538`
- JSON: `/api/v1/mines/teletractors-inc-dba-fremont-sand-grav-4801538`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4801538/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4801538/relationships`
- MCP resource: `mine://4801538/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`