# Mechanicsville-MD Sand & Gravel

- **MSHA mine ID:** 1800574
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** St Marys, MD
- **Operator:** Sustainable Land Use, LLC
- **Controller:** Chaney Enterprises LP
- **Public source rows linked:** 599
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Chaney Enterprises LP (M02229) → Sustainable Land Use, LLC (0194213) → Mechanicsville-MD Sand & Gravel (1800574)**

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

## Controller and operator valid-time history

- **Benjamin F  Asher Sr  et al → B F Asher:** 1950-01-01 through 1984-12-06; derived from co-tenure at mine 1800574; source `msha-controller-operator-history`.
- **Martha Ann  Asher → A & B Company Ltd:** 1984-12-07 through 1987-03-31; derived from co-tenure at mine 1800574; source `msha-controller-operator-history`.
- **Howlin Edward B Jr → Howlin Concrete Inc:** 1987-04-01 through 2022-02-01; derived from co-tenure at mine 1800574; source `msha-controller-operator-history`.
- **Chaney Enterprises LP → Chaney Enterprises LTD  Partnership:** 2022-02-02 through 2024-03-24; derived from co-tenure at mine 1800574; source `msha-controller-operator-history`.
- **Chaney Enterprises LP → Sustainable Land Use, LLC:** 2024-03-25 through current/open; derived from co-tenure at mine 1800574; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 15
- 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 2 since 2021:** Accidents and injuries 20 historical accident/injury rows; 0 coded fatalities and 595 lost days across the published record.
2. **COMPLIANCE — 3 since 2021:** Violations and penalties 84 violation rows across the full record; 24 carry an S&S flag and $13,261 appears in current assessed amounts.
3. **HEALTH — 29 samples:** Occupational health samples 29 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 5K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 0 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 — 13 since 2021:** Inspections 66 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 56.12028 — 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
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 56.14101 — Brakes.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **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 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 56.14112 — 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 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004

## Source coverage

- **Accident, Injuries, and Illnesses:** 20 rows; 2001-03-03 through 2025-12-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1983-03-18 through 1983-03-18; source ID `msha-addresses`
- **Assessed Violations:** 84 rows; 2000-12-20 through 2026-03-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2012-10-05 through 2012-10-05; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 2 rows; 2011-10-04 through 2011-10-04; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 33 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 8 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2024-03-25; source ID `msha-controller-operator-history`
- **Inspections:** 66 rows; 2000-04-06 through 2026-09-15; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 210 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 29 rows; 2002-07-24 through 2026-09-22; source ID `msha-personal-health-samples`
- **Violations:** 84 rows; 2000-12-20 through 2026-03-11; 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/mechanicsville-md-sand-gravel-1800574`
- JSON: `/api/v1/mines/mechanicsville-md-sand-gravel-1800574`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1800574/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1800574/relationships`
- MCP resource: `mine://1800574/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`