# Relationship history for MSHA mine 1501307

Current hierarchy: **Walters Charles E → Jodee Coal Company → No 2 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:** Jodee Coal Company → No 2 Mine; 1950-01-01 to 1975-02-10; source msha-controller-operator-history
- **controller_controls_mine:** Fugate Ronald D Et Al → No 2 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fugate Ronald D Et Al → Jodee Coal Company; 1950-01-01 to 1975-02-10; source msha-controller-operator-history
- **operator_operates_mine:** Jodee Coal Company → No 2 Mine; 1975-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Walters Charles E → No 2 Mine; 1975-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Walters Charles E → Jodee Coal Company; 1975-02-11 to current/open; source msha-controller-operator-history