# Relationship history for MSHA mine 4405226

Current hierarchy: **Larry Joe  McReynolds → Oliver Coal Sales → #1 Tipple**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Mineral Coal Sales Inc → #1 Tipple; 1979-05-01 to 1982-01-10; source msha-controller-operator-history
- **controller_controls_mine:** Slusher Bobbie S → #1 Tipple; 1979-05-01 to 1989-07-20; source msha-controller-operator-history
- **controller_controls_operator:** Slusher Bobbie S → Mineral Coal Sales Inc; 1979-05-01 to 1982-01-10; source msha-controller-operator-history
- **controller_controls_mine:** Brown James A Jr → #1 Tipple; 1981-12-17 to 1983-09-18; source msha-controller-operator-history
- **operator_operates_mine:** Summit Resources Inc → #1 Tipple; 1982-01-11 to 1982-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Brown James A Jr → Summit Resources Inc; 1982-01-11 to 1982-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Mineral Coal Sales Inc → #1 Tipple; 1982-07-01 to 1989-07-20; source msha-controller-operator-history
- **controller_controls_operator:** Slusher Bobbie S → Mineral Coal Sales Inc; 1982-07-01 to 1989-07-20; source msha-controller-operator-history
- **operator_operates_mine:** Oliver Coal Sales → #1 Tipple; 1989-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry Joe  McReynolds → #1 Tipple; 1989-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry Joe  McReynolds → Oliver Coal Sales; 1989-07-21 to current/open; source msha-controller-operator-history