# Hemlock Hill Quarry

- **MSHA mine ID:** 3609369
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Tioga, PA
- **Operator:** Cross Excavating
- **Controller:** Chad E  Cross
- **Public source rows linked:** 672
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Chad E  Cross (0091293) → Cross Excavating (0107865) → Hemlock Hill Quarry (3609369)**

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

## Controller and operator valid-time history

- **Jill D Cross → Jill D. Cross:** 2005-09-28 through 2010-02-28; derived from co-tenure at mine 3609369; source `msha-controller-operator-history`.
- **Chad E  Cross → Cross Excavating:** 2010-03-01 through current/open; derived from co-tenure at mine 3609369; 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 — 12 since 2021:** Violations and penalties 64 violation rows across the full record; 15 carry an S&S flag and $13,770 appears in current assessed amounts.
3. **HEALTH — 23 samples:** Occupational health samples 23 personal. 1 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 2K employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 1 civil-penalty docket/decision rows, and 1 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 — 5 since 2021:** Inspections 39 inspection events and 599 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 56.4201 — Inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.14132 — Horns and backup alarms.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.14200 — Warnings prior to starting or moving equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200
- **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 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028

## Source coverage

- **Addresses of Record:** 1 rows; 2022-04-01 through 2022-04-01; source ID `msha-addresses`
- **Assessed Violations:** 63 rows; 2006-04-26 through 2026-06-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2010-03-03 through 2010-03-03; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2017-07-13 through 2017-07-13; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2007-10-30 through 2007-10-30; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 230 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 57 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2005-09-28 through 2010-03-01; source ID `msha-controller-operator-history`
- **Inspections:** 39 rows; 2006-04-25 through 2026-06-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 149 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 39 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:** 23 rows; 2007-06-14 through 2024-07-10; source ID `msha-personal-health-samples`
- **Violations:** 64 rows; 2006-04-26 through 2026-06-08; 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/hemlock-hill-quarry-3609369`
- JSON: `/api/v1/mines/hemlock-hill-quarry-3609369`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3609369/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3609369/relationships`
- MCP resource: `mine://3609369/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`