# Relationship history for MSHA mine 4607549

Current hierarchy: **Farley James H → Logan Coals Inc → No 4 Mine**

- 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:** Compton Kennie D → No 4 Mine; 1986-10-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jatram Inc → No 4 Mine; 1988-08-01 to 1989-01-20; source msha-controller-operator-history
- **controller_controls_mine:** Mooney James S Sr Et Al → No 4 Mine; 1988-08-01 to 1989-01-20; source msha-controller-operator-history
- **controller_controls_operator:** Mooney James S Sr Et Al → Jatram Inc; 1988-08-01 to 1989-01-20; source msha-controller-operator-history
- **controller_controls_mine:** Farley James H → No 4 Mine; 1988-11-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** War Eagle Construction Company Inc → No 4 Mine; 1989-01-21 to 1990-01-02; source msha-controller-operator-history
- **controller_controls_operator:** Compton Kennie D → War Eagle Construction Company Inc; 1989-01-21 to 1990-01-02; source msha-controller-operator-history
- **operator_operates_mine:** Logan Coals Inc → No 4 Mine; 1990-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Farley James H → Logan Coals Inc; 1990-01-03 to current/open; source msha-controller-operator-history