# Relationship history for MSHA mine 1513415

Current hierarchy: **Inspiration Resources Corporation → Wheelwright Mining Inc → No 2**

- 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:** Inspiration Resources Corporation → No 2; 1982-02-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wiley Brothers Energy Inc → No 2; 1982-03-01 to 1984-07-04; source msha-controller-operator-history
- **controller_controls_mine:** Wiley Virgil & Robert → No 2; 1982-03-01 to 1984-07-04; source msha-controller-operator-history
- **controller_controls_operator:** Wiley Virgil & Robert → Wiley Brothers Energy Inc; 1982-03-01 to 1984-07-04; source msha-controller-operator-history
- **operator_operates_mine:** Wheelwright Mining Inc → No 2; 1984-07-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Inspiration Resources Corporation → Wheelwright Mining Inc; 1984-07-05 to current/open; source msha-controller-operator-history