# Ross Pit - **MSHA mine ID:** 3302359 - **Status:** Active - **Type / commodity:** Surface / Construction Sand and Gravel - **Location:** Hamilton, OH - **Operator:** Welch Sand & Gravel Inc. - **Controller:** Ronnie L Welch; James R Welch - **Public source rows linked:** 536 - **Source coverage:** 10 / 20 - **Generated:** 2026-10-13T11:26:59.401Z ## Current entity hierarchy **Ronnie L Welch; James R Welch (0123681) → Welch Sand & Gravel Inc. (L01464) → Ross Pit (3302359)** Current identity source: `msha-mines`. This is a current snapshot, not a historical claim. ## Controller and operator valid-time history - **Charles H Welch et al → Welch Sand & Gravel Inc.:** 1981-06-01 through 2015-12-31; derived from co-tenure at mine 3302359; source `msha-controller-operator-history`. - **James R Welch et al → Welch Sand & Gravel Inc.:** 2016-01-01 through current/open; derived from co-tenure at mine 3302359; source `msha-controller-operator-history`. - **Ronnie L Welch et al → Welch Sand & Gravel Inc.:** 2016-01-01 through current/open; derived from co-tenure at mine 3302359; source `msha-controller-operator-history`. - History rows: 3 - 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 5 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record. 2. **COMPLIANCE — 8 since 2021:** Violations and penalties 85 violation rows across the full record; 28 carry an S&S flag and $9,318 appears in current assessed amounts. 3. **HEALTH — 24 samples:** Occupational health samples 24 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 7K employee hours and 11 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 — 15 since 2021:** Inspections 65 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 56.14131 — Seat belts for haulage trucks.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14131 - **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101 - **30 CFR 56.12013 — Splices and repairs of power cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12013 - **30 CFR 56.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004 - **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 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107 - **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112 - **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001 ## Source coverage - **Accident, Injuries, and Illnesses:** 5 rows; 2010-06-02 through 2016-04-28; source ID `msha-accidents` - **Addresses of Record:** 1 rows; 2024-02-22 through 2024-02-22; source ID `msha-addresses` - **Assessed Violations:** 85 rows; 2000-04-18 through 2024-08-29; source ID `msha-assessed-violations` - **Controller and Operator History:** 3 rows; 1981-06-01 through 1981-06-01; source ID `msha-controller-operator-history` - **Inspections:** 65 rows; 2000-04-18 through 2026-09-01; source ID `msha-inspections` - **Mine Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-mine-production-quarterly` - **Mine Employment and Production — Yearly:** 55 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:** 24 rows; 2002-11-20 through 2026-08-04; source ID `msha-personal-health-samples` - **Violations:** 85 rows; 2000-04-18 through 2024-08-29; 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/ross-pit-3302359` - JSON: `/api/v1/mines/ross-pit-3302359` - Silica records, units, sample status and quarterly means: `/api/v1/mines/3302359/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows) - Relationship JSON: `/api/v1/mines/3302359/relationships` - MCP resource: `mine://3302359/assessment` - Complete Title 30 corpus: `/data/title30-sections.json`