# Relationship history for MSHA mine 0405770

Current hierarchy: **Kim  Pugmire; Bruce  Degler → LB Crushing LLC → Plant C**

- 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:** Kim  Pugmire et al → Plant C; 2008-07-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** LB Crushing LLC → Plant C; 2008-11-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kim  Pugmire et al → LB Crushing LLC; 2008-11-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Degler et al → LB Crushing LLC; 2008-11-21 to current/open; source msha-controller-operator-history