# Relationship history for MSHA mine 1505102

Current hierarchy: **Randall  Wagers → Sandhill Coal Processing Company → Number 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:** Young & Finley Coal Company Inc → Number 1 Tipple; 1950-01-01 to 1973-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Phil  Young → Number 1 Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phil  Young → Young & Finley Coal Company Inc; 1950-01-01 to 1973-02-28; source msha-controller-operator-history
- **operator_operates_mine:** A & J Coal Company → Number 1 Tipple; 1973-03-01 to 1974-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Kilburn Walter → Number 1 Tipple; 1973-03-01 to 1974-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Kilburn Walter → A & J Coal Company; 1973-03-01 to 1974-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Phil  Young → Number 1 Tipple; 1973-07-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Phil Young Mining Company → Number 1 Tipple; 1974-10-01 to 1982-09-22; source msha-controller-operator-history
- **controller_controls_operator:** Phil  Young → Phil Young Mining Company; 1974-10-01 to 1982-09-22; source msha-controller-operator-history
- **controller_controls_mine:** James  Garrison → Number 1 Tipple; 1975-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hardly Able Coal Company Inc → Number 1 Tipple; 1982-09-23 to 1992-03-12; source msha-controller-operator-history
- **controller_controls_operator:** James  Garrison → Hardly Able Coal Company Inc; 1982-09-23 to 1992-03-12; source msha-controller-operator-history
- **operator_operates_mine:** Sandhill Coal Processing Company → Number 1 Tipple; 1992-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randall  Wagers et al → Number 1 Tipple; 1992-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randall  Wagers et al → Sandhill Coal Processing Company; 1992-03-13 to current/open; source msha-controller-operator-history