# Relationship history for MSHA mine 1512029

Current hierarchy: **Inspiration Resources Corporation → Wheelwright Mining Inc → No 1**

- 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:** Hall Claude Jr → No 1; 1978-06-24 to 1982-03-03; source msha-controller-operator-history
- **operator_operates_mine:** Tansy Beth Mining Company Inc → No 1; 1979-04-01 to 1982-03-03; source msha-controller-operator-history
- **controller_controls_operator:** Hall Claude Jr → Tansy Beth Mining Company Inc; 1979-04-01 to 1982-03-03; source msha-controller-operator-history
- **controller_controls_mine:** Inspiration Resources Corporation → No 1; 1982-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wiley Virgil & Robert → No 1; 1982-03-01 to 1984-07-04; source msha-controller-operator-history
- **operator_operates_mine:** Wiley Brothers Energy Inc → No 1; 1982-03-04 to 1984-07-04; source msha-controller-operator-history
- **controller_controls_operator:** Wiley Virgil & Robert → Wiley Brothers Energy Inc; 1982-03-04 to 1984-07-04; source msha-controller-operator-history
- **operator_operates_mine:** Wheelwright Mining Inc → No 1; 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