# Quincy Aggregate Resources

- **MSHA mine ID:** 2003147
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Branch, MI
- **Operator:** Aggregate Resources, Inc.
- **Controller:** Daniel R  Balkema; Ralph T  Balkema
- **Public source rows linked:** 424
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Daniel R  Balkema; Ralph T  Balkema (M09473) → Aggregate Resources, Inc. (0050134) → Quincy Aggregate Resources (2003147)**

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

## Controller and operator valid-time history

- **Ralph T  Balkema et al → Balkema Excavating Inc:** 1999-12-01 through 2002-12-31; derived from co-tenure at mine 2003147; source `msha-controller-operator-history`.
- **Daniel R  Balkema et al → Balkema Excavating Inc:** 1999-12-01 through 2002-12-31; derived from co-tenure at mine 2003147; source `msha-controller-operator-history`.
- **Daniel R  Balkema et al → Aggregate Resources, Inc.:** 2003-01-01 through current/open; derived from co-tenure at mine 2003147; source `msha-controller-operator-history`.
- **Ralph T  Balkema et al → Aggregate Resources, Inc.:** 2003-01-01 through current/open; derived from co-tenure at mine 2003147; source `msha-controller-operator-history`.

- History rows: 4
- 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 — 3 since 2021:** Accidents and injuries 9 historical accident/injury rows; 0 coded fatalities and 8 lost days across the published record.
2. **COMPLIANCE — 13 since 2021:** Violations and penalties 56 violation rows across the full record; 9 carry an S&S flag and $6,511 appears in current assessed amounts.
3. **HEALTH — 11 samples:** Occupational health samples 11 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 8 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 47 inspection events and 638 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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.4201 — Inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.15004 — Eye protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15004
- **30 CFR 56.12068 — Locking transformer enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12068
- **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 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **30 CFR 56.4603 — Closure of valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4603
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 9 rows; 2003-06-03 through 2025-04-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-04-15 through 2016-04-15; source ID `msha-addresses`
- **Assessed Violations:** 56 rows; 2000-10-25 through 2026-04-27; source ID `msha-assessed-violations`
- **Controller and Operator History:** 4 rows; 1999-12-01 through 2003-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 47 rows; 2000-10-25 through 2026-04-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 192 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 47 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:** 11 rows; 2009-11-17 through 2025-11-20; source ID `msha-personal-health-samples`
- **Violations:** 56 rows; 2000-10-25 through 2026-04-27; 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/quincy-aggregate-resources-2003147`
- JSON: `/api/v1/mines/quincy-aggregate-resources-2003147`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2003147/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2003147/relationships`
- MCP resource: `mine://2003147/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`