# Relationship history for MSHA mine 1516495

Current hierarchy: **Hicks Robert A → Little Corry J Inc → Mine No 1**

- 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:** Bowling Charles D Et Al → Mine No 1; 1978-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cumberland Resources Corporation → Mine No 1; 1984-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wright Edward → Mine No 1; 1988-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stanley W Osborne → Mine No 1; 1988-02-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Michael Lynn Coal Company Inc → Mine No 1; 1988-09-01 to 1989-06-08; source msha-controller-operator-history
- **controller_controls_operator:** Wright Edward → Michael Lynn Coal Company Inc; 1988-09-01 to 1989-06-08; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Ridge Coal Company Inc → Mine No 1; 1989-06-09 to 1990-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Stanley W Osborne → Laurel Ridge Coal Company Inc; 1989-06-09 to 1990-01-15; source msha-controller-operator-history
- **operator_operates_mine:** Crystal Star Coal Company Inc → Mine No 1; 1990-01-16 to 1990-03-15; source msha-controller-operator-history
- **controller_controls_operator:** Bowling Charles D Et Al → Crystal Star Coal Company Inc; 1990-01-16 to 1990-03-15; source msha-controller-operator-history
- **operator_operates_mine:** Lonesome Pine Mining Company Inc → Mine No 1; 1990-03-16 to 1993-06-22; source msha-controller-operator-history
- **controller_controls_operator:** Cumberland Resources Corporation → Lonesome Pine Mining Company Inc; 1990-03-16 to 1993-06-22; source msha-controller-operator-history
- **operator_operates_mine:** Little Corry J Inc → Mine No 1; 1993-06-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hicks Robert A → Mine No 1; 1993-06-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hicks Robert A → Little Corry J Inc; 1993-06-23 to current/open; source msha-controller-operator-history