# Relationship history for MSHA mine 2103395

Current hierarchy: **Renee A  Botner → Botner Excavation Services, LLC → Eckley Pit**

- 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:** Botner Excavation Services LLC → Eckley Pit; 2003-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Renee A  Botner → Eckley Pit; 2003-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Renee A  Botner → Botner Excavation Services LLC; 2003-10-28 to current/open; source msha-controller-operator-history