# Relationship history for MSHA mine 3608464

Current hierarchy: **John A  Kosky → Love Northeast Inc → Walkertown Site**

- 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:** Love Northeast Inc → Walkertown Site; 1994-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John A  Kosky → Walkertown Site; 1994-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John A  Kosky → Love Northeast Inc; 1994-03-01 to current/open; source msha-controller-operator-history