# Rasmussen Soledad Rock Quarry

- **MSHA mine ID:** 0400247
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Los Angeles, CA
- **Operator:** Rasmussen R&R Inc.
- **Controller:** Taylor  Rasmussen
- **Public source rows linked:** 117
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Taylor  Rasmussen (0074451) → Rasmussen R&R Inc. (0088624) → Rasmussen Soledad Rock Quarry (0400247)**

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

## Controller and operator valid-time history

- **Schmidt Nancy → Schmidt Construction Inc:** 1979-12-01 through 1990-02-11; derived from co-tenure at mine 0400247; source `msha-controller-operator-history`.
- **Dean  Rasmussen et al → C A Rasmussen Company:** 1990-02-12 through 2007-12-31; derived from co-tenure at mine 0400247; source `msha-controller-operator-history`.
- **Charles  Rasmussen et al → C A Rasmussen Company:** 1990-02-12 through 2007-12-31; derived from co-tenure at mine 0400247; source `msha-controller-operator-history`.
- **Taylor  Rasmussen → Rasmussen R&R Inc.:** 2008-01-01 through current/open; derived from co-tenure at mine 0400247; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 10
- 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 29 violation rows across the full record; 11 carry an S&S flag and $4,450 appears in current assessed amounts.
3. **HEALTH — 4 samples:** Occupational health samples 4 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 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 27 inspection events and 338 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 46.3 — Training plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **30 CFR 56.9300 — Berms or guardrails.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2018-07-19 through 2018-07-19; source ID `msha-addresses`
- **Assessed Violations:** 29 rows; 2007-05-01 through 2017-12-12; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2012-11-07 through 2012-11-07; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 1 rows; 2011-11-22 through 2011-11-22; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1979-12-01 through 2008-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 27 rows; 2007-05-01 through 2018-07-18; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 20 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:** 4 rows; 2007-05-02 through 2013-07-31; source ID `msha-personal-health-samples`
- **Violations:** 29 rows; 2007-05-01 through 2017-12-12; 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/rasmussen-soledad-rock-quarry-0400247`
- JSON: `/api/v1/mines/rasmussen-soledad-rock-quarry-0400247`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0400247/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0400247/relationships`
- MCP resource: `mine://0400247/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`