# Relationship history for MSHA mine 4405183

Current hierarchy: **Stiltner Kermit → Rockdale Mining Company 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:** Stiltner Kermit Et Al → No 4; 1977-03-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Three L Coal Corp → No 4; 1979-02-01 to 1979-08-12; source msha-controller-operator-history
- **controller_controls_mine:** Lester James E → No 4; 1979-02-01 to 1979-08-12; source msha-controller-operator-history
- **controller_controls_operator:** Lester James E → Three L Coal Corp; 1979-02-01 to 1979-08-12; source msha-controller-operator-history
- **operator_operates_mine:** Rockdale Mining Company Inc → No 4; 1979-08-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Kermit Et Al → Rockdale Mining Company Inc; 1979-08-13 to current/open; source msha-controller-operator-history