# Relationship history for MSHA mine 4607300

Current hierarchy: **Cook William Larry → Pinnacle Mining Inc → Candice #3**

- 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:** Cook William Larry → Candice #3; 1984-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Webb Michael J → Candice #3; 1986-11-17 to 1987-10-14; source msha-controller-operator-history
- **operator_operates_mine:** Premier Energy Inc → Candice #3; 1987-05-01 to 1987-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Webb Michael J → Premier Energy Inc; 1987-05-01 to 1987-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Pinnacle Mining Inc → Candice #3; 1987-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cook William Larry → Pinnacle Mining Inc; 1987-10-01 to current/open; source msha-controller-operator-history