# Relationship history for MSHA mine 2302458

Current hierarchy: **Darrell  Cunningham; Janice  Cunningham → Dillon Clay Mine LLC → D C Mining**

- 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:** Darrell  Cunningham et al → D C Mining; 2013-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dillon Clay Mine LLC → D C Mining; 2013-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Darrell  Cunningham et al → Dillon Clay Mine LLC; 2013-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Janice  Cunningham et al → Dillon Clay Mine LLC; 2013-07-10 to current/open; source msha-controller-operator-history