# UNIT # 40B

- **MSHA mine ID:** 4801577
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Campbell, WY
- **Operator:** Basic Energy Services, L.P.
- **Controller:** Basic Energy Inc
- **Public source rows linked:** 76
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Basic Energy Inc (0072991) → Basic Energy Services, L.P. (0086664) → UNIT # 40B (4801577)**

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

## Controller and operator valid-time history

- **Jay Dee  Hacklin et al → K & H Construction Llc:** 2000-04-01 through 2000-12-31; derived from co-tenure at mine 4801577; source `msha-controller-operator-history`.
- **First Energy Services Inc → K & H Construction:** 2001-01-01 through 2002-04-01; derived from co-tenure at mine 4801577; source `msha-controller-operator-history`.
- **First Energy Services Inc → First Energy Services Company:** 2002-06-27 through 2003-10-02; derived from co-tenure at mine 4801577; source `msha-controller-operator-history`.
- **Basic Energy Inc → First Energy Services Company:** 2003-10-03 through 2011-03-31; derived from co-tenure at mine 4801577; source `msha-controller-operator-history`.
- **Basic Energy Inc → Basic Energy Services, L.P.:** 2011-04-01 through current/open; derived from co-tenure at mine 4801577; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 14
- 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 — 0 since 2021:** Violations and penalties 8 violation rows across the full record; 2 carry an S&S flag and $728 appears in current assessed amounts.
3. **HEALTH — 3 samples:** Occupational health samples 3 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 — 6 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 3 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 9 inspection events and 97 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 56.16001 — Stacking and storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001
- **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
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **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 56.4101 — 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 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130

## Source coverage

- **Addresses of Record:** 1 rows; 2012-07-27 through 2012-07-27; source ID `msha-addresses`
- **Assessed Violations:** 8 rows; 2005-01-26 through 2011-10-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 3 rows; 2012-11-07 through 2012-11-07; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 3 rows; 2011-10-18 through 2011-10-18; source ID `msha-contested-violations`
- **Controller and Operator History:** 5 rows; 2000-04-01 through 2011-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 9 rows; 2003-09-03 through 2011-11-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 32 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 3 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:** 3 rows; 2011-04-26 through 2011-04-26; source ID `msha-personal-health-samples`
- **Violations:** 8 rows; 2005-01-26 through 2011-10-18; 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/unit-40b-4801577`
- JSON: `/api/v1/mines/unit-40b-4801577`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4801577/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4801577/relationships`
- MCP resource: `mine://4801577/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`