# Relationship history for MSHA mine 4600044

Current hierarchy: **CRH PLC → Boxley Aggregates of WV LLC → Raleigh 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

- **operator_operates_mine:** Raleigh Stone Company → Raleigh Quarry; 1950-01-01 to 1982-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Sentry Coal Corp → Raleigh Quarry; 1950-01-01 to 1982-08-09; source msha-controller-operator-history
- **controller_controls_operator:** Sentry Coal Corp → Raleigh Stone Company; 1950-01-01 to 1982-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Raleigh Stone Ltd → Raleigh Quarry; 1982-08-10 to 1989-05-25; source msha-controller-operator-history
- **controller_controls_mine:** Robert L  Kosnoski → Raleigh Quarry; 1982-08-10 to 1989-05-25; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Kosnoski → Raleigh Stone Ltd; 1982-08-10 to 1989-05-25; source msha-controller-operator-history
- **operator_operates_mine:** Beckley Stone Company Inc → Raleigh Quarry; 1989-05-26 to 2002-05-07; source msha-controller-operator-history
- **controller_controls_mine:** Pioneer International Ltd → Raleigh Quarry; 1989-05-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pioneer International Ltd → Beckley Stone Company Inc; 1989-05-26 to 2002-05-07; source msha-controller-operator-history
- **controller_controls_mine:** Boxley Materials Co → Raleigh Quarry; 1991-03-01 to 2015-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Boxley Aggregates of WV LLC → Raleigh Quarry; 2002-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Boxley Materials Co → Boxley Aggregates of WV LLC; 2002-05-08 to 2015-12-31; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Raleigh Quarry; 2016-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → Boxley Aggregates of WV LLC; 2016-01-01 to current/open; source msha-controller-operator-history