# Lyons Red

- **MSHA mine ID:** 0500448
- **Status:** Abandoned
- **Type / commodity:** Surface / Dimension Sandstone
- **Location:** Larimer, CO
- **Operator:** Arkins Park Stone
- **Controller:** Judy  Sprague
- **Public source rows linked:** 101
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Judy  Sprague (M00702) → Arkins Park Stone (L12329) → Lyons Red (0500448)**

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

## Controller and operator valid-time history

- **Neil  Sprague → Neil Sprague:** 1950-01-01 through 2002-10-08; derived from co-tenure at mine 0500448; source `msha-controller-operator-history`.
- **Judy  Sprague → Arkins Park Stone:** 2002-10-09 through 2004-02-29; derived from co-tenure at mine 0500448; source `msha-controller-operator-history`.
- **Matthew J  Spraque → Sprague Stone:** 2004-03-01 through 2005-05-25; derived from co-tenure at mine 0500448; source `msha-controller-operator-history`.
- **Judy  Sprague → Arkins Park Stone:** 2005-05-26 through current/open; derived from co-tenure at mine 0500448; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 12 violation rows across the full record; 4 carry an S&S flag and $1,139 appears in current assessed amounts.
3. **HEALTH — 5 samples:** Occupational health samples 5 personal. 2 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 — 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 15 inspection events and 203 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.5001 — Exposure limits for airborne contaminants.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001
- **30 CFR 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 56.4430 — Storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4430
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.20008 — Toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20008
- **30 CFR 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **30 CFR 56.18013 — Emergency communications system.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18013
- **30 CFR 56.1000 — 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-56/subpart-A/section-56.1000

## Source coverage

- **Addresses of Record:** 1 rows; 2014-08-29 through 2014-08-29; source ID `msha-addresses`
- **Assessed Violations:** 12 rows; 2002-10-09 through 2012-12-11; source ID `msha-assessed-violations`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2005-05-26; source ID `msha-controller-operator-history`
- **Inspections:** 15 rows; 2002-10-09 through 2013-08-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 41 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 10 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:** 5 rows; 2004-06-23 through 2010-12-14; source ID `msha-personal-health-samples`
- **Violations:** 12 rows; 2002-10-09 through 2012-12-11; 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/lyons-red-0500448`
- JSON: `/api/v1/mines/lyons-red-0500448`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0500448/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0500448/relationships`
- MCP resource: `mine://0500448/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`