# Relationship history for MSHA mine 2103675

Current hierarchy: **Rick A  Domke; Tim G  Domke → Domke Excavating Inc → Pit #1**

- 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:** Rick A  Domke et al → Pit #1; 2009-06-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Domke Excavating Inc → Pit #1; 2009-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rick A  Domke et al → Domke Excavating Inc; 2009-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tim G  Domke et al → Domke Excavating Inc; 2009-06-11 to current/open; source msha-controller-operator-history