# Relationship history for MSHA mine 2400789

Current hierarchy: **Dirk A  Doeden; Eric A  Doeden → Doeden Construction → Doeden Construction Company**

- 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:** Doeden Construction → Doeden Construction Company; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kathy F  Doeden → Doeden Construction Company; 1950-01-01 to 2018-06-11; source msha-controller-operator-history
- **controller_controls_operator:** Kathy F  Doeden → Doeden Construction; 1950-01-01 to 2018-06-11; source msha-controller-operator-history
- **controller_controls_mine:** Dirk A  Doeden et al → Doeden Construction Company; 2018-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dirk A  Doeden et al → Doeden Construction; 2018-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eric A  Doeden et al → Doeden Construction; 2018-06-12 to current/open; source msha-controller-operator-history