# Metso Screening Plant

- **MSHA mine ID:** 3200587
- **Status:** Temporarily Idled
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Johnson, WY
- **Operator:** Prism Logistics, LLC
- **Controller:** John  Melgaard; Kyle  True
- **Public source rows linked:** 183
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**John  Melgaard; Kyle  True (0177080) → Prism Logistics, LLC (0189253) → Metso Screening Plant (3200587)**

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

## Controller and operator valid-time history

- **Melgaard Sand & Gravel → Melgaard Sand & Gravel:** 1950-01-01 through 2013-02-04; derived from co-tenure at mine 3200587; source `msha-controller-operator-history`.
- **John E  Melgaard Sr. → Melgaard Construction:** 2013-02-05 through 2018-09-30; derived from co-tenure at mine 3200587; source `msha-controller-operator-history`.
- **John E  Melgaard Jr → Melgaard Construction:** 2018-10-01 through 2023-01-31; derived from co-tenure at mine 3200587; source `msha-controller-operator-history`.
- **Kyle  True et al → Prism Logistics, LLC:** 2023-02-01 through current/open; derived from co-tenure at mine 3200587; source `msha-controller-operator-history`.
- **John  Melgaard et al → Prism Logistics, LLC:** 2023-02-01 through current/open; derived from co-tenure at mine 3200587; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 12
- 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 — 8 since 2021:** Violations and penalties 35 violation rows across the full record; 7 carry an S&S flag and $7,159 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 57 employee hours and 1 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 — 10 since 2021:** Inspections 25 inspection events and 312 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.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 46.6 — Newly hired experienced miner training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.6
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 56.1000 — Notification of commencement of operations and closing of mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **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 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205

## Source coverage

- **Addresses of Record:** 1 rows; 2026-07-30 through 2026-07-30; source ID `msha-addresses`
- **Assessed Violations:** 31 rows; 2013-04-23 through 2025-07-25; source ID `msha-assessed-violations`
- **Contractor Employment and Production — Quarterly:** 12 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2023-02-01; source ID `msha-controller-operator-history`
- **Inspections:** 25 rows; 2013-04-23 through 2025-10-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 52 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 12 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; 2018-03-21 through 2024-06-24; source ID `msha-personal-health-samples`
- **Violations:** 35 rows; 2013-04-23 through 2025-07-25; 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/metso-screening-plant-3200587`
- JSON: `/api/v1/mines/metso-screening-plant-3200587`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3200587/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3200587/relationships`
- MCP resource: `mine://3200587/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`