# Crescent Mine

- **MSHA mine ID:** 1000085
- **Status:** NonProducing
- **Type / commodity:** Underground / Silver Ore
- **Location:** Shoshone, ID
- **Operator:** Crescent Silver L.L.C.
- **Controller:** Americas Gold and Silver Corporation
- **Public source rows linked:** 821
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Americas Gold and Silver Corporation (0151001) → Crescent Silver L.L.C. (0132333) → Crescent Mine (1000085)**

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

## Controller and operator valid-time history

- **Gulf USA Corp → Bunker Hill Company:** 1950-01-01 through 1982-11-21; derived from co-tenure at mine 1000085; source `msha-controller-operator-history`.
- **BH Properties Inc  et al → Bunker Limited Partnership:** 1982-11-22 through 1986-06-01; derived from co-tenure at mine 1000085; source `msha-controller-operator-history`.
- **Bunker Hill Mining Company Inc → Bunker Hill Mining Company (Us) Inc:** 1986-06-02 through 2007-02-28; derived from co-tenure at mine 1000085; source `msha-controller-operator-history`.
- **SNS Silver Corp → Crescent Inc:** 2007-03-01 through 2010-02-02; derived from co-tenure at mine 1000085; source `msha-controller-operator-history`.
- **Greg  Stewart et al → United Mine Services:** 2010-02-03 through 2013-09-04; derived from co-tenure at mine 1000085; source `msha-controller-operator-history`.
- **United Silver Corp → United Mine Services:** 2013-09-05 through 2014-03-04; derived from co-tenure at mine 1000085; source `msha-controller-operator-history`.
- **Hale Capital Partners → Crescent Silver L.L.C.:** 2014-03-05 through 2025-12-21; derived from co-tenure at mine 1000085; source `msha-controller-operator-history`.
- **Americas Gold and Silver Corporation → Crescent Silver L.L.C.:** 2025-12-22 through current/open; derived from co-tenure at mine 1000085; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 22
- 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 — 3 since 2021:** Accidents and injuries 12 historical accident/injury rows; 0 coded fatalities and 443 lost days across the published record.
2. **COMPLIANCE — 26 since 2021:** Violations and penalties 49 violation rows across the full record; 14 carry an S&S flag and $13,112 appears in current assessed amounts.
3. **HEALTH — 21 samples:** Occupational health samples 17 personal; 4 area. 8 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 6K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
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 — 5 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 57 inspection events and 1K 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 57.15030 — Provision and maintenance of self-rescue devices.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15030
- **30 CFR 57.5060 — Limit on exposure to diesel particulate matter.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-D/section-57.5060
- **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 62.130 — Permissible exposure level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **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 57.6160 — Main facilities.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-E/section-57.6160
- **30 CFR 57.20031 — Blasting underground in hazardous areas.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20031
- **30 CFR 57.11058 — Check-in, check-out system.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11058

## Source coverage

- **Accident, Injuries, and Illnesses:** 12 rows; 2007-08-10 through 2026-06-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-12-15 through 2025-12-15; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 4 rows; 2026-05-06 through 2026-07-29; source ID `msha-area-samples`
- **Assessed Violations:** 49 rows; 2007-12-14 through 2026-08-11; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 339 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 84 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 8 rows; 1950-01-01 through 2014-03-05; source ID `msha-controller-operator-history`
- **Inspections:** 57 rows; 2007-05-16 through 2026-10-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 165 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 35 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:** 17 rows; 2014-12-09 through 2026-07-29; source ID `msha-personal-health-samples`
- **Violations:** 49 rows; 2007-12-14 through 2026-08-11; 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/crescent-mine-1000085`
- JSON: `/api/v1/mines/crescent-mine-1000085`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1000085/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1000085/relationships`
- MCP resource: `mine://1000085/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`