# RAM LLC - Lisbon Mine

- **MSHA mine ID:** 4201532
- **Status:** Abandoned
- **Type / commodity:** Surface / Misc. Nonmetallic Mnls. NEC
- **Location:** San Juan, UT
- **Operator:** Rio Algom Mining, LLC
- **Controller:** BHP Billiton
- **Public source rows linked:** 137
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**BHP Billiton (C11406) → Rio Algom Mining, LLC (0050957) → RAM LLC - Lisbon Mine (4201532)**

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

## Controller and operator valid-time history

- **Rio Algom Ltd → Rio Algom Mining Corp:** 1978-03-09 through 2003-09-22; derived from co-tenure at mine 4201532; source `msha-controller-operator-history`.
- **BHP Billiton → Rio Algom Mining, LLC:** 2003-09-23 through current/open; derived from co-tenure at mine 4201532; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 — 0 since 2021:** Violations and penalties 8 violation rows across the full record; 1 carry an S&S flag and $544 appears in current assessed amounts.
3. **HEALTH — 3 samples:** Occupational health samples 3 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 0 employee hours and 0 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 — 1 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 8 inspection events and 58 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 56.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.9101 — Operating speeds and control of equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9101
- **30 CFR 62.120 — Action level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **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 48.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-A/section-48.9
- **30 CFR 56.13015 — Inspection of compressed-air receivers and other unfired pressure vessels.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13015

## Source coverage

- **Addresses of Record:** 1 rows; 2007-04-11 through 2007-04-11; source ID `msha-addresses`
- **Assessed Violations:** 8 rows; 2004-06-02 through 2005-11-03; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 72 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 15 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1978-03-09 through 2003-09-23; source ID `msha-controller-operator-history`
- **Inspections:** 8 rows; 2004-06-02 through 2007-04-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 15 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 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:** 3 rows; 2005-06-09 through 2005-06-09; source ID `msha-personal-health-samples`
- **Violations:** 8 rows; 2004-06-02 through 2005-11-03; 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/ram-llc-lisbon-mine-4201532`
- JSON: `/api/v1/mines/ram-llc-lisbon-mine-4201532`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4201532/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4201532/relationships`
- MCP resource: `mine://4201532/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`