# Relationship history for MSHA mine 4604274

Current hierarchy: **Maidsville Coal Company Inc → Electra Fuels Inc → No 1 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

- **operator_operates_mine:** Electra Fuels Inc → No 1 Mine; 1974-08-02 to 1977-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Petitte James → No 1 Mine; 1974-08-02 to 1977-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Petitte James → Electra Fuels Inc; 1974-08-02 to 1977-04-21; source msha-controller-operator-history
- **operator_operates_mine:** Electra Fuels Inc → No 1 Mine; 1977-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Maidsville Coal Company Inc → No 1 Mine; 1977-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Maidsville Coal Company Inc → Electra Fuels Inc; 1977-04-22 to current/open; source msha-controller-operator-history