# Relationship history for MSHA mine 3101354

Current hierarchy: **CRH PLC → APAC-Atlantic Inc Thompson-Arthur Division → Candor Sand Pit**

- 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

- **operator_operates_mine:** Thompson-Arthur Division/ APAC - Carolina, Inc. → Candor Sand Pit; 1950-01-01 to 2003-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc → Candor Sand Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc → Thompson-Arthur Division/ APAC - Carolina, Inc.; 1950-01-01 to 2003-03-31; source msha-controller-operator-history
- **operator_operates_mine:** APAC-Atlantic Inc Thompson-Arthur Division → Candor Sand Pit; 2003-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc → Candor Sand Pit; 2003-04-01 to 2006-08-27; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc → APAC-Atlantic Inc Thompson-Arthur Division; 2003-04-01 to 2006-08-27; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Candor Sand Pit; 2006-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → APAC-Atlantic Inc Thompson-Arthur Division; 2006-08-28 to current/open; source msha-controller-operator-history