# Shelton

- **MSHA mine ID:** 3100085
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Caswell, NC
- **Operator:** Southside Materials, LLC
- **Controller:** Salem Stone Corp; Adams Construction; Mountain Materials Inc
- **Public source rows linked:** 2,442
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Salem Stone Corp; Adams Construction; Mountain Materials Inc (0106981) → Southside Materials, LLC (0108746) → Shelton (3100085)**

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 3100085; 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 3100085; 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 3100085; 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 3100085; 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 3100085; source `msha-controller-operator-history`.
- **Adams Construction et al → Southside Materials, LLC:** 2012-06-28 through current/open; derived from co-tenure at mine 3100085; 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 3100085; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 11 historical accident/injury rows; 0 coded fatalities and 284 lost days across the published record.
2. **COMPLIANCE — 19 since 2021:** Violations and penalties 77 violation rows across the full record; 10 carry an S&S flag and $13,612 appears in current assessed amounts.
3. **HEALTH — 61 samples:** Occupational health samples 61 personal. 2 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 — 20 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 8 conference records linked by issuance number.
6. **CONTRACTORS — 9 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 70 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 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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 56.14112 — Construction and maintenance of guards.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.12006 — Distribution boxes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12006

## Source coverage

- **Accident, Injuries, and Illnesses:** 11 rows; 2002-04-26 through 2026-02-03; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1977-01-06 through 1977-01-06; source ID `msha-addresses`
- **Assessed Violations:** 75 rows; 2000-02-14 through 2026-06-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2006-01-04 through 2014-10-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 8 rows; 2000-08-16 through 2017-01-09; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2005-06-07 through 2013-05-13; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,379 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 341 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:** 70 rows; 2000-02-14 through 2026-06-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 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:** 61 rows; 2004-06-09 through 2026-06-30; source ID `msha-personal-health-samples`
- **Violations:** 77 rows; 2000-02-14 through 2026-06-30; 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/shelton-3100085`
- JSON: `/api/v1/mines/shelton-3100085`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3100085/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3100085/relationships`
- MCP resource: `mine://3100085/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`