# Lawrence Pit & Plant

- **MSHA mine ID:** 1900309
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Barnstable, MA
- **Operator:** Lawrence-Lynch Materials Corp
- **Controller:** Gerald T  Lynch
- **Public source rows linked:** 442
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Gerald T  Lynch (M35501) → Lawrence-Lynch Materials Corp (L35501) → Lawrence Pit & Plant (1900309)**

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

## Controller and operator valid-time history

- **Gerald T  Lynch → Lawrence-Lynch Materials Corp:** 1950-01-01 through current/open; derived from co-tenure at mine 1900309; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 0 since 2021:** Violations and penalties 71 violation rows across the full record; 15 carry an S&S flag and $6,924 appears in current assessed amounts.
3. **HEALTH — 8 samples:** Occupational health samples 8 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 602 employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 30 linked rows:** Contests, conferences and decisions 15 contested-violation rows, 15 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 38 inspection events and 519 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 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **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 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 46.3 — Training plans.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **30 CFR 46.6 — Newly hired experienced miner training.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.6

## Source coverage

- **Addresses of Record:** 1 rows; 2017-03-10 through 2017-03-10; source ID `msha-addresses`
- **Assessed Violations:** 69 rows; 2001-02-13 through 2016-04-19; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 15 rows; 2010-07-19 through 2014-04-03; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 15 rows; 2009-03-17 through 2013-04-10; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 45 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 12 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 1950-01-01 through 1950-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 38 rows; 2001-02-13 through 2017-04-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 130 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 36 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:** 8 rows; 2003-03-27 through 2015-04-02; source ID `msha-personal-health-samples`
- **Violations:** 71 rows; 2001-02-13 through 2016-04-19; 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/lawrence-pit-plant-1900309`
- JSON: `/api/v1/mines/lawrence-pit-plant-1900309`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1900309/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1900309/relationships`
- MCP resource: `mine://1900309/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`