# Relationship history for MSHA mine 0203146

Current hierarchy: **Arcosa, Inc → Arcosa Aggregates West, LLC. → 1014 EAGLE MOUNTAIN QUARRY**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Chris  Reinesch et al → 1014 EAGLE MOUNTAIN QUARRY; 1999-06-01 to 2005-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Chris J  Reinesch et al → 1014 EAGLE MOUNTAIN QUARRY; 2005-12-19 to 2021-08-03; source msha-controller-operator-history
- **operator_operates_mine:** Southwest Rock Products → 1014 EAGLE MOUNTAIN QUARRY; 2006-11-06 to 2022-12-11; source msha-controller-operator-history
- **controller_controls_operator:** Chris J  Reinesch et al → Southwest Rock Products; 2006-11-06 to 2021-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Steve J  Hood et al → Southwest Rock Products; 2006-11-06 to 2021-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Reinesch et al → Southwest Rock Products; 2006-11-06 to 2005-12-18; source msha-controller-operator-history
- **controller_controls_operator:** Rochelle  Reinesch et al → Southwest Rock Products; 2006-11-06 to 2005-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → 1014 EAGLE MOUNTAIN QUARRY; 2021-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arcosa, Inc → Southwest Rock Products; 2021-08-04 to 2022-12-11; source msha-controller-operator-history
- **operator_operates_mine:** Arcosa Aggregates West, LLC. → 1014 EAGLE MOUNTAIN QUARRY; 2022-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → 1014 EAGLE MOUNTAIN QUARRY; 2022-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arcosa, Inc → Arcosa Aggregates West, LLC.; 2022-12-12 to current/open; source msha-controller-operator-history