# Relationship history for MSHA mine 4609014

Current hierarchy: **Tony  White → Equal Enterprises → Mountain Top 4 HWM**

- 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:** Equal Enterprises → Mountain Top 4 HWM; 2003-11-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tony  White → Mountain Top 4 HWM; 2003-11-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tony  White → Equal Enterprises; 2003-11-26 to current/open; source msha-controller-operator-history