# Topsham Pit & Mill

- **MSHA mine ID:** 1700319
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Sagadahoc, ME
- **Operator:** Crooker Construction, LLC
- **Controller:** Thomas C Sturgeon
- **Public source rows linked:** 1,188
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Thomas C Sturgeon (0116581) → Crooker Construction, LLC (L01639) → Topsham Pit & Mill (1700319)**

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

## Controller and operator valid-time history

- **Granite Paving Company → Granite Paving Company:** 1950-01-01 through 1979-02-04; derived from co-tenure at mine 1700319; source `msha-controller-operator-history`.
- **Franklin T  Crooker → Crooker Construction, LLC:** 1979-02-05 through 2014-12-08; derived from co-tenure at mine 1700319; source `msha-controller-operator-history`.
- **Thomas C Sturgeon → Crooker Construction, LLC:** 2014-12-09 through current/open; derived from co-tenure at mine 1700319; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 8
- 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 — 4 since 2021:** Accidents and injuries 5 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 33 since 2021:** Violations and penalties 182 violation rows across the full record; 32 carry an S&S flag and $31,522 appears in current assessed amounts.
3. **HEALTH — 32 samples:** Occupational health samples 32 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 11K employee hours and 15 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 127 linked rows:** Contests, conferences and decisions 63 contested-violation rows, 64 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 — 13 since 2021:** Inspections 69 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 56.14116 — Hand-held power tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14116
- **30 CFR 56.4102 — Spillage and leakage.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4102
- **30 CFR 56.13020 — Use of compressed air.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13020
- **30 CFR 56.12005 — Protection of power conductors from mobile equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12005
- **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 56.20003 — 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 56.14101 — 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 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 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 46.6 — Newly hired experienced miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.6
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2004-11-04 through 2025-04-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-03-19 through 2004-03-19; source ID `msha-addresses`
- **Assessed Violations:** 180 rows; 2001-08-18 through 2026-02-25; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 64 rows; 2003-02-19 through 2018-09-13; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 63 rows; 2009-07-28 through 2018-02-15; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 180 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 55 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1979-02-05; source ID `msha-controller-operator-history`
- **Inspections:** 69 rows; 2001-08-18 through 2026-07-28; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 297 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 56 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:** 32 rows; 2002-03-13 through 2022-09-28; source ID `msha-personal-health-samples`
- **Violations:** 182 rows; 2001-08-18 through 2026-02-25; 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/topsham-pit-mill-1700319`
- JSON: `/api/v1/mines/topsham-pit-mill-1700319`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1700319/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1700319/relationships`
- MCP resource: `mine://1700319/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`