# South Boston

- **MSHA mine ID:** 4400153
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Halifax, VA
- **Operator:** Southside Materials, LLC
- **Controller:** Salem Stone Corp; Adams Construction; Mountain Materials Inc
- **Public source rows linked:** 860
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Salem Stone Corp; Adams Construction; Mountain Materials Inc (0106981) → Southside Materials, LLC (0108746) → South Boston (4400153)**

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

## Controller and operator valid-time history

- **Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Constr. Materials, L.P.:** 1950-01-01 through 2007-11-15; derived from co-tenure at mine 4400153; source `msha-controller-operator-history`.
- **Vulcan Materials Company → Vulcan Constr. Materials, L.P.:** 2007-11-16 through 2010-03-26; derived from co-tenure at mine 4400153; source `msha-controller-operator-history`.
- **Adams Construction et al → Southside Materials, LLC:** 2010-03-27 through 2012-06-27; derived from co-tenure at mine 4400153; source `msha-controller-operator-history`.
- **Salem Stone Corp et al → Southside Materials, LLC:** 2010-03-27 through 2012-06-27; derived from co-tenure at mine 4400153; source `msha-controller-operator-history`.
- **Mountain Materials Inc et al → Southside Materials, LLC:** 2012-06-28 through current/open; derived from co-tenure at mine 4400153; source `msha-controller-operator-history`.
- **Adams Construction et al → Southside Materials, LLC:** 2012-06-28 through current/open; derived from co-tenure at mine 4400153; source `msha-controller-operator-history`.
- **Salem Stone Corp et al → Southside Materials, LLC:** 2012-06-28 through current/open; derived from co-tenure at mine 4400153; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 13
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 2 since 2021:** Accidents and injuries 4 historical accident/injury rows; 0 coded fatalities and 18 lost days across the published record.
2. **COMPLIANCE — 9 since 2021:** Violations and penalties 70 violation rows across the full record; 14 carry an S&S flag and $9,440 appears in current assessed amounts.
3. **HEALTH — 49 samples:** Occupational health samples 49 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 12K employee hours and 24 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 6 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 — 14 since 2021:** Inspections 63 inspection events and 2K 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 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 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 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 62.120 — Action level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **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 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 47.44 — Temporary, portable containers.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.13010 — Reciprocating-type air compressors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13010
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005

## Source coverage

- **Accident, Injuries, and Illnesses:** 4 rows; 2013-12-05 through 2023-10-25; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2010-11-04 through 2010-11-04; source ID `msha-addresses`
- **Assessed Violations:** 70 rows; 2000-04-12 through 2025-11-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2004-08-17 through 2008-10-20; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2005-04-26 through 2013-11-15; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2004-04-13 through 2008-02-13; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 400 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 72 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2010-03-27; source ID `msha-controller-operator-history`
- **Inspections:** 63 rows; 2000-04-11 through 2026-05-19; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 36 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 49 rows; 2003-04-16 through 2026-06-03; source ID `msha-personal-health-samples`
- **Violations:** 70 rows; 2000-04-12 through 2025-11-24; 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/south-boston-4400153`
- JSON: `/api/v1/mines/south-boston-4400153`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4400153/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4400153/relationships`
- MCP resource: `mine://4400153/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`