# North Ridge II

- **MSHA mine ID:** 0900296
- **Status:** Abandoned
- **Type / commodity:** Surface / Dimension Stone NEC
- **Location:** Oglethorpe, GA
- **Operator:** North Ridge Granite Quarries Inc
- **Controller:** David A  Giannoni
- **Public source rows linked:** 332
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**David A  Giannoni (0069431) → North Ridge Granite Quarries Inc (0082284) → North Ridge II (0900296)**

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

## Controller and operator valid-time history

- **James Cleve  Miller et al → Service Granite Company Inc:** 1950-01-01 through 2006-05-10; derived from co-tenure at mine 0900296; source `msha-controller-operator-history`.
- **Carolyn J  Miller et al → Service Granite Company Inc:** 1950-01-01 through 2006-05-10; derived from co-tenure at mine 0900296; source `msha-controller-operator-history`.
- **Carolyn J  Miller → Lexington Blue Granite Inc:** 2006-05-11 through 2008-08-19; derived from co-tenure at mine 0900296; source `msha-controller-operator-history`.
- **David A  Giannoni → North Ridge Granite Quarries Inc:** 2008-08-20 through current/open; derived from co-tenure at mine 0900296; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 6 historical accident/injury rows; 0 coded fatalities and 58 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 62 violation rows across the full record; 22 carry an S&S flag and $19,101 appears in current assessed amounts.
3. **HEALTH — 10 samples:** Occupational health samples 10 personal. 3 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 1K employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 46 linked rows:** Contests, conferences and decisions 23 contested-violation rows, 23 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 34 inspection events and 439 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 56.13011 — Air receiver tanks.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13011
- **30 CFR 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **30 CFR 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **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
- **30 CFR 56.14211 — Blocking equipment in a raised position.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14211
- **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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2000-03-07 through 2006-05-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2012-02-14 through 2012-02-14; source ID `msha-addresses`
- **Assessed Violations:** 58 rows; 2000-04-25 through 2011-11-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 23 rows; 2008-06-02 through 2012-11-05; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 23 rows; 2007-03-14 through 2011-04-14; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2008-08-20; source ID `msha-controller-operator-history`
- **Inspections:** 34 rows; 2000-04-25 through 2012-02-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 88 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 22 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:** 10 rows; 2002-06-18 through 2004-03-23; source ID `msha-personal-health-samples`
- **Violations:** 62 rows; 2000-04-25 through 2011-11-01; 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/north-ridge-ii-0900296`
- JSON: `/api/v1/mines/north-ridge-ii-0900296`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0900296/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0900296/relationships`
- MCP resource: `mine://0900296/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`