# Relationship history for MSHA mine 1002288

Current hierarchy: **Lane  Buchert; Evan  Buchert → Premier, LLC → Wash Plant**

- 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:** Lane  Buchert et al → Wash Plant; 2016-09-21 to 2024-11-05; source msha-controller-operator-history
- **operator_operates_mine:** Premier, LLC → Wash Plant; 2017-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lane  Buchert et al → Premier, LLC; 2017-06-06 to 2024-11-05; source msha-controller-operator-history
- **controller_controls_operator:** Trae  Buchert et al → Premier, LLC; 2017-06-06 to 2024-11-05; source msha-controller-operator-history
- **controller_controls_mine:** Evan  Buchert et al → Wash Plant; 2024-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Evan  Buchert et al → Premier, LLC; 2024-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lane  Buchert et al → Premier, LLC; 2024-11-06 to current/open; source msha-controller-operator-history