# Relationship history for MSHA mine 4503042

Current hierarchy: **CRH PLC → American Rock Products → ARP Palisades**

- 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:** CRH PLC → ARP Palisades; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bradley F  Selland → ARP Palisades; 1983-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eddie E  Smith → ARP Palisades; 1985-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Asphalt Specialties Inc → ARP Palisades; 1985-04-01 to 1991-07-15; source msha-controller-operator-history
- **controller_controls_operator:** Eddie E  Smith → Asphalt Specialties Inc; 1985-04-01 to 1991-07-15; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → ARP Palisades; 1987-09-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bethlehem Construction Cinca → ARP Palisades; 1991-07-16 to 1999-06-04; source msha-controller-operator-history
- **controller_controls_mine:** Michael J  Addleman → ARP Palisades; 1991-07-16 to 1999-06-04; source msha-controller-operator-history
- **controller_controls_operator:** Michael J  Addleman → Bethlehem Construction Cinca; 1991-07-16 to 1999-06-04; source msha-controller-operator-history
- **operator_operates_mine:** Central Washington Concrete Inc → ARP Palisades; 1999-06-05 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Bradley F  Selland → Central Washington Concrete Inc; 1999-06-05 to 2001-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Central Washington Concrete → ARP Palisades; 2002-01-01 to 2023-08-21; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Central Washington Concrete; 2002-01-01 to 2023-08-21; source msha-controller-operator-history
- **operator_operates_mine:** American Rock Products → ARP Palisades; 2023-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → American Rock Products; 2023-08-22 to current/open; source msha-controller-operator-history