# Relationship history for MSHA mine 3610303

Current hierarchy: **John  Lenick → Lone Eagle Coal Company Inc → Dundash**

- 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

- **controller_controls_mine:** John  Lenick et al → Dundash; 1997-02-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lone Eagle Coal Company Inc → Dundash; 2019-08-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Lenick et al → Lone Eagle Coal Company Inc; 2019-08-26 to current/open; source msha-controller-operator-history