# Relationship history for MSHA mine 1900642

Current hierarchy: **Eveline A  Kelleher; Gerald A  Kelleher → Gerald J Kelleher → Kelleher 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:** Gerald J Kelleher → Kelleher Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gerald A  Kelleher et al → Kelleher Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald A  Kelleher et al → Gerald J Kelleher; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eveline A  Kelleher et al → Gerald J Kelleher; 1950-01-01 to current/open; source msha-controller-operator-history