# Barnston Quarry

- **MSHA mine ID:** 2501222
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Gage, NE
- **Operator:** Hard Rock Quarries, LLC.
- **Controller:** Erich K  Tiemann; Robert L  Tiemann
- **Public source rows linked:** 569
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Erich K  Tiemann; Robert L  Tiemann (0156001) → Hard Rock Quarries, LLC. (0171173) → Barnston Quarry (2501222)**

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

## Controller and operator valid-time history

- **Fred  Beekman et al → Tri-County Recycling Inc:** 2005-01-10 through 2016-09-29; derived from co-tenure at mine 2501222; source `msha-controller-operator-history`.
- **Norma  Beekman et al → Tri-County Recycling Inc:** 2005-01-10 through 2016-09-29; derived from co-tenure at mine 2501222; source `msha-controller-operator-history`.
- **Rodney E Beekman et al → Rush Creek Quarry #1:** 2016-09-30 through 2019-05-14; derived from co-tenure at mine 2501222; source `msha-controller-operator-history`.
- **Ross A Stepan et al → Rush Creek Quarry #1:** 2016-09-30 through 2019-05-14; derived from co-tenure at mine 2501222; source `msha-controller-operator-history`.
- **Roc E Beekman et al → Rush Creek Quarry #1:** 2016-09-30 through 2019-05-14; derived from co-tenure at mine 2501222; source `msha-controller-operator-history`.
- **Erich K  Tiemann et al → Hard Rock Quarries, LLC.:** 2019-05-15 through current/open; derived from co-tenure at mine 2501222; source `msha-controller-operator-history`.
- **Robert L  Tiemann et al → Hard Rock Quarries, LLC.:** 2019-05-15 through current/open; derived from co-tenure at mine 2501222; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 13
- 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 — 48 since 2021:** Violations and penalties 132 violation rows across the full record; 48 carry an S&S flag and $56,356 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 — 0 tons:** Quarterly production and employment 2K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 133 linked rows:** Contests, conferences and decisions 61 contested-violation rows, 61 civil-penalty docket/decision rows, and 11 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 — 22 since 2021:** Inspections 55 inspection events and 595 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 56.18002 — 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 56.14107 — 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 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 56.4203 — 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 56.14132 — 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 56.4230 — Self-propelled equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4230
- **30 CFR 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.4603 — Closure of valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4603

## Source coverage

- **Addresses of Record:** 1 rows; 2021-12-28 through 2021-12-28; source ID `msha-addresses`
- **Assessed Violations:** 131 rows; 2005-04-18 through 2026-06-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 61 rows; 2010-08-13 through 2025-10-15; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 11 rows; 2022-01-10 through 2022-01-10; source ID `msha-conferences`
- **Contested Violations:** 61 rows; 2008-04-24 through 2026-06-30; source ID `msha-contested-violations`
- **Controller and Operator History:** 7 rows; 2005-01-10 through 2019-05-15; source ID `msha-controller-operator-history`
- **Inspections:** 55 rows; 2005-04-11 through 2026-06-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 82 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 21 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; 2010-10-21 through 2024-01-24; source ID `msha-personal-health-samples`
- **Violations:** 132 rows; 2005-04-18 through 2026-06-30; 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/barnston-quarry-2501222`
- JSON: `/api/v1/mines/barnston-quarry-2501222`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2501222/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2501222/relationships`
- MCP resource: `mine://2501222/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`