# Relationship history for MSHA mine 4202566

Current hierarchy: **Jim  Wayland; Bob  Nead → Coal Energy Group 3, LLC → Kinney # 2**

- 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:** Coal Energy Group 3, LLC → Kinney # 2; 2018-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Wayland et al → Kinney # 2; 2018-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Wayland et al → Coal Energy Group 3, LLC; 2018-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bob  Nead et al → Coal Energy Group 3, LLC; 2018-12-17 to current/open; source msha-controller-operator-history