# Relationship history for MSHA mine 3605193

Current hierarchy: **Weller George → Country Mining Company Inc → Country No 1**

- 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:** F & S Coal & Clay Company Inc → Country No 1; 1974-10-01 to 1975-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Nyman Floyd J → Country No 1; 1974-10-01 to 1975-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Nyman Floyd J → F & S Coal & Clay Company Inc; 1974-10-01 to 1975-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Country Mining Company Inc → Country No 1; 1975-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Weller George → Country No 1; 1975-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Weller George → Country Mining Company Inc; 1975-12-01 to current/open; source msha-controller-operator-history