# Relationship history for MSHA mine 1516678

Current hierarchy: **(Donald) Todd  Kiscaden; Scott  Kiscaden → Kiah Creek Mining Company → No 4**

- 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:** Freddy  Thacker et al → No 4; 1983-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** (Donald) Todd  Kiscaden et al → No 4; 1989-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** South Fork Energies Inc → No 4; 1989-07-01 to 1991-10-13; source msha-controller-operator-history
- **controller_controls_operator:** Freddy  Thacker et al → South Fork Energies Inc; 1989-07-01 to 1991-10-13; source msha-controller-operator-history
- **controller_controls_operator:** Ronnie  Thacker et al → South Fork Energies Inc; 1989-07-01 to 1991-10-13; source msha-controller-operator-history
- **operator_operates_mine:** Kiah Creek Mining Company → No 4; 1991-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** (Donald) Todd  Kiscaden et al → Kiah Creek Mining Company; 1991-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Kiscaden et al → Kiah Creek Mining Company; 1991-10-14 to current/open; source msha-controller-operator-history