# Ina Pit

- **MSHA mine ID:** 0201483
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Pima, AZ
- **Operator:** Cal Mat Co
- **Controller:** Vulcan Materials Company
- **Public source rows linked:** 330
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Vulcan Materials Company (0071891) → Cal Mat Co (L16645) → Ina Pit (0201483)**

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

## Controller and operator valid-time history

- **Columbia Consolidated Corp → Columbia Sand & Gravel Company Inc:** 1950-01-01 through 1983-01-06; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.
- **Roland  May → Columbia Materials:** 1983-01-07 through 1986-01-15; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.
- **Blue Circle Industries Plc → Blue Circle West:** 1986-01-16 through 1989-07-31; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.
- **Empresas Tolteca → B C W Inc:** 1989-08-01 through 1990-09-30; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.
- **Cemex S A → Cemex Construction Materials, Inc.:** 1990-10-01 through 2003-08-11; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.
- **Cemex S A → Cemex Construction Materials LP:** 2003-08-12 through 2007-12-31; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.
- **CRH PLC → Staker & Parson Co.:** 2008-01-01 through 2015-05-04; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.
- **Vulcan Materials Company → Cal Mat Co:** 2015-05-05 through current/open; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.
- **Legacy Vulcan Corp (Form:Vulcan Materials Co) → Cal Mat Co:** 2015-05-05 through 2007-11-15; derived from co-tenure at mine 0201483; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 26
- Interval anomalies: 1
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 6 historical accident/injury rows; 0 coded fatalities and 110 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 81 violation rows across the full record; 20 carry an S&S flag and $22,350 appears in current assessed amounts.
3. **HEALTH — 17 samples:** Occupational health samples 17 personal. 1 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 13K employee hours and 22 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 — 0 since 2021:** Inspections 44 inspection events and 483 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 56.14112 — 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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.14110 — Flying or falling materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14110
- **30 CFR 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2001-09-17 through 2015-03-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2016-07-11 through 2016-07-11; source ID `msha-addresses`
- **Assessed Violations:** 81 rows; 2000-12-06 through 2015-06-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2015-07-28 through 2015-11-24; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 2 rows; 2014-12-05 through 2014-12-05; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 29 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 10 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 9 rows; 1950-01-01 through 2015-05-05; source ID `msha-controller-operator-history`
- **Inspections:** 44 rows; 2000-04-12 through 2015-07-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 22 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 25 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:** 17 rows; 2003-11-18 through 2009-04-02; source ID `msha-personal-health-samples`
- **Violations:** 81 rows; 2000-12-06 through 2015-06-17; 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/ina-pit-0201483`
- JSON: `/api/v1/mines/ina-pit-0201483`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0201483/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0201483/relationships`
- MCP resource: `mine://0201483/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`