# Relationship history for MSHA mine 1511598

Current hierarchy: **Reffett Virgil → V & M Mining Company Of Paintsville Inc → 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:** Kiser Donald → No 4; 1977-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Reffett Virgil Et Al → No 4; 1978-07-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sol Mining Company Inc → No 4; 1978-10-01 to 1985-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Kiser Donald → Sol Mining Company Inc; 1978-10-01 to 1985-07-28; source msha-controller-operator-history
- **operator_operates_mine:** V & M Mining Company Of Paintsville Inc → No 4; 1985-07-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Reffett Virgil Et Al → V & M Mining Company Of Paintsville Inc; 1985-07-29 to current/open; source msha-controller-operator-history