# Relationship history for MSHA mine 2402762

Current hierarchy: **Kevin  Dietz; Rich  Dietz; Lyn  Kaper; Gerald (Jerry)  Lee → DKD Mining LLC → Springtown**

- 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:** DKD Mining → Springtown; 2021-04-29 to 2021-06-24; source msha-controller-operator-history
- **controller_controls_mine:** Kevin Conrad  Dietz → Springtown; 2021-04-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin Conrad  Dietz → DKD Mining; 2021-04-29 to 2021-06-24; source msha-controller-operator-history
- **operator_operates_mine:** DKD Mining LLC → Springtown; 2021-06-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kevin  Dietz et al → Springtown; 2021-06-25 to 2021-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  Dietz et al → DKD Mining LLC; 2021-06-25 to 2021-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Rich  Dietz et al → DKD Mining LLC; 2021-06-25 to 2021-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Lyn  Kaper et al → DKD Mining LLC; 2021-06-25 to 2021-12-16; source msha-controller-operator-history
- **controller_controls_mine:** Lyn  Kaper et al → Springtown; 2021-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lyn  Kaper et al → DKD Mining LLC; 2021-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  Dietz et al → DKD Mining LLC; 2021-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rich  Dietz et al → DKD Mining LLC; 2021-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald (Jerry)  Lee et al → DKD Mining LLC; 2021-12-17 to current/open; source msha-controller-operator-history