# Mtn Laurel Quartz Mn/Gold Ball Mill Site

- **MSHA mine ID:** 0405810
- **Status:** Abandoned
- **Type / commodity:** Underground / Gold Ore
- **Location:** Siskiyou, CA
- **Operator:** Tanner Mountain Gold, LLC
- **Controller:** Baird Charles W
- **Public source rows linked:** 28
- **Source coverage:** 6 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Baird Charles W (M06370) → Tanner Mountain Gold, LLC (0111905) → Mtn Laurel Quartz Mn/Gold Ball Mill Site (0405810)**

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

## Controller and operator valid-time history

- **Baird Charles W → Tanner Mountain Gold, LLC:** 2010-06-23 through current/open; derived from co-tenure at mine 0405810; 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: 2026-10-17T05:35:58.500035+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 11 violation rows across the full record; 4 carry an S&S flag and $1,337 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 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 5 inspection events and 138 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 57.9300 — Berms or guardrails.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-H/section-57.9300
- **30 CFR 57.16006 — Protection of gas cylinder valves.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-O/section-57.16006
- **30 CFR 57.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12032
- **30 CFR 57.4601 — Oxygen cylinder storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4601
- **30 CFR 57.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14107
- **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 48.23 — Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23

## Source coverage

- **Addresses of Record:** 1 rows; 2011-11-29 through 2011-11-29; source ID `msha-addresses`
- **Assessed Violations:** 9 rows; 2010-06-23 through 2010-06-23; source ID `msha-assessed-violations`
- **Controller and Operator History:** 1 rows; 2010-06-23 through 2010-06-23; source ID `msha-controller-operator-history`
- **Inspections:** 5 rows; 2010-06-22 through 2011-11-30; source ID `msha-inspections`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 11 rows; 2010-06-23 through 2010-09-22; 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/mtn-laurel-quartz-mn-gold-ball-mill-site-0405810`
- JSON: `/api/v1/mines/mtn-laurel-quartz-mn-gold-ball-mill-site-0405810`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0405810/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0405810/relationships`
- MCP resource: `mine://0405810/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`