# Dobias Pit  #1

- **MSHA mine ID:** 3200924
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Mckenzie, ND
- **Operator:** Blue Butte Aggregates LLC
- **Controller:** Andy  Brown
- **Public source rows linked:** 570
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Andy  Brown (0152621) → Blue Butte Aggregates LLC (0168053) → Dobias Pit  #1 (3200924)**

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

## Controller and operator valid-time history

- **Susan  Graham → ROOT CONSTRUCTION, INC:** 2011-12-09 through 2013-01-31; derived from co-tenure at mine 3200924; source `msha-controller-operator-history`.
- **William  Quig et al → ROOT CONSTRUCTION, INC:** 2013-02-01 through 2019-12-31; derived from co-tenure at mine 3200924; source `msha-controller-operator-history`.
- **Andy  Bednarik et al → ROOT CONSTRUCTION, INC:** 2013-02-01 through 2019-12-31; derived from co-tenure at mine 3200924; source `msha-controller-operator-history`.
- **Andy  Brown → Blue Butte Aggregates LLC:** 2020-01-01 through current/open; derived from co-tenure at mine 3200924; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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 2 historical accident/injury rows; 0 coded fatalities and 47 lost days across the published record.
2. **COMPLIANCE — 48 since 2021:** Violations and penalties 162 violation rows across the full record; 41 carry an S&S flag and $81,268 appears in current assessed amounts.
3. **HEALTH — 11 samples:** Occupational health samples 10 personal; 1 area. 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 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 46 linked rows:** Contests, conferences and decisions 23 contested-violation rows, 23 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 — 14 since 2021:** Inspections 40 inspection events and 785 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 56.4130 — Electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4130
- **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 56.4101 — 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 56.4601 — Oxygen cylinder storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4601
- **30 CFR 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **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 56.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 46.11 — Site-specific hazard awareness training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.11
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2012-08-14 through 2016-01-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-02-12 through 2025-02-12; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 1 rows; 2017-03-29 through 2017-03-29; source ID `msha-area-samples`
- **Assessed Violations:** 161 rows; 2012-02-08 through 2026-03-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 23 rows; 2013-04-26 through 2026-03-06; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 23 rows; 2012-08-29 through 2025-03-19; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 2011-12-09 through 2020-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 40 rows; 2012-02-08 through 2026-03-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 114 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 28 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; 2013-01-16 through 2025-03-19; source ID `msha-personal-health-samples`
- **Violations:** 162 rows; 2012-02-08 through 2026-03-24; 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/dobias-pit-1-3200924`
- JSON: `/api/v1/mines/dobias-pit-1-3200924`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3200924/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3200924/relationships`
- MCP resource: `mine://3200924/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`