# Relationship history for MSHA mine 4609453

Current hierarchy: **C Lynch  Christian III → North Mountain Shale LLC → North Mountain Shale**

- 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:** North Mountain Shale LLC → North Mountain Shale; 2012-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** C Lynch  Christian III → North Mountain Shale; 2012-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** C Lynch  Christian III → North Mountain Shale LLC; 2012-05-24 to current/open; source msha-controller-operator-history