# Bayhorse

- **MSHA mine ID:** 3502630
- **Status:** Temporarily Idled
- **Type / commodity:** Underground / Silver Ore
- **Location:** Baker, OR
- **Operator:** Bayhorse Silver Inc
- **Controller:** Graeme  O'Neill
- **Public source rows linked:** 264
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Graeme  O'Neill (0101171) → Bayhorse Silver Inc (0148613) → Bayhorse (3502630)**

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

## Controller and operator valid-time history

- **Ibex Minerals Inc → Ibex Minerals Inc:** 1950-01-01 through 1980-10-31; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.
- **Fred  Quimby → Mine Drivers Inc:** 1980-11-01 through 1981-06-22; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.
- **Clemets Martin & D C R Nordstrom Et Al → Western Land & Resources Inc:** 1981-06-23 through 1983-05-17; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.
- **Cash H P → Cash Industries Inc:** 1983-05-18 through 1983-12-19; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.
- **Silver King Mines Inc & Western Land & Resources I → Silver King Mines Inc:** 1983-12-20 through 2014-03-24; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.
- **Steve  Elloway et al → American Mining & Tunneling LLC:** 2014-03-25 through 2015-12-06; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.
- **Cassandra  Elloway et al → American Mining & Tunneling LLC:** 2014-03-25 through 2015-12-06; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.
- **Graeme  O'Neill → HRB Mining Services LLC:** 2015-12-07 through 2016-12-08; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.
- **Graeme  O'Neill → Bayhorse Silver Inc:** 2016-12-09 through current/open; derived from co-tenure at mine 3502630; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 25
- 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 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 3 since 2021:** Violations and penalties 53 violation rows across the full record; 13 carry an S&S flag and $28,860 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 16 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 6 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 6 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 — 9 since 2021:** Inspections 51 inspection events and 525 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 57.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12028
- **30 CFR 57.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-B/section-57.3200
- **30 CFR 57.1000 — Notification of commencement of operations and closing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-A/section-57.1000
- **30 CFR 57.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-O/section-57.16006
- **30 CFR 57.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12018
- **30 CFR 57.13015 — Inspection of compressed-air receivers and other unfired pressure vessels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-L/section-57.13015
- **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 57.14130 — Roll-over protective structures (ROPS) and seat belts for surface equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14130
- **30 CFR 57.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20003
- **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 57.15030 — Provision and maintenance of self-rescue devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15030
- **30 CFR 57.11053 — Escape and evacuation plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11053

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2017-08-28 through 2017-08-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-05-01 through 2025-05-01; source ID `msha-addresses`
- **Assessed Violations:** 52 rows; 2014-05-14 through 2021-05-03; source ID `msha-assessed-violations`
- **Conferences:** 6 rows; 2016-07-19 through 2017-10-20; source ID `msha-conferences`
- **Controller and Operator History:** 9 rows; 1950-01-01 through 2016-12-09; source ID `msha-controller-operator-history`
- **Inspections:** 51 rows; 2014-05-13 through 2025-09-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 69 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`
- **Violations:** 53 rows; 2014-05-14 through 2021-05-03; 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/bayhorse-3502630`
- JSON: `/api/v1/mines/bayhorse-3502630`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3502630/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3502630/relationships`
- MCP resource: `mine://3502630/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`