# Relationship history for MSHA mine 1513417

Current hierarchy: **Wesley  Childers → Victory Energy Company 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:** Childers Spencer & Wesley → Mine No 1; 1980-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** T & W Coal Company Inc → Mine No 1; 1982-03-01 to 1993-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Childers Spencer & Wesley → T & W Coal Company Inc; 1982-03-01 to 1993-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Victory Energy Company Inc → Mine No 1; 1993-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wesley  Childers → Mine No 1; 1993-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wesley  Childers → Victory Energy Company Inc; 1993-06-30 to current/open; source msha-controller-operator-history
