# Relationship history for MSHA mine 0405743

Current hierarchy: **Bruce  Degler; Kim  Pugmire → Titan Crushing → Plant A**

- 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:** Mike  Lubanko et al → Plant A; 2007-03-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lubanko Brothers Inc → Plant A; 2007-12-24 to 2008-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Lubanko et al → Lubanko Brothers Inc; 2007-12-24 to 2008-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Milan D  Lubanko et al → Lubanko Brothers Inc; 2007-12-24 to 2008-07-30; source msha-controller-operator-history
- **operator_operates_mine:** LB Crushing, LLC → Plant A; 2008-07-31 to 2013-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Bruce  Degler et al → Plant A; 2008-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Degler et al → LB Crushing, LLC; 2008-07-31 to 2013-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Kim  Pugmire et al → LB Crushing, LLC; 2008-07-31 to 2013-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Titan Crushing → Plant A; 2013-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kim  Pugmire et al → Plant A; 2013-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kim  Pugmire et al → Titan Crushing; 2013-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Degler et al → Titan Crushing; 2013-12-01 to current/open; source msha-controller-operator-history