# Relationship history for MSHA mine 4607806

Current hierarchy: **Lambert Margaret Sue → Belle Enterprises Inc → Mine #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

- **operator_operates_mine:** Clear Water Enterprises → Mine #3; 1989-11-01 to 1990-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Brooks Thomas → Mine #3; 1989-11-01 to 1990-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Brooks Thomas → Clear Water Enterprises; 1989-11-01 to 1990-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Belle Enterprises Inc → Mine #3; 1990-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lambert Margaret Sue → Mine #3; 1990-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lambert Margaret Sue → Belle Enterprises Inc; 1990-06-15 to current/open; source msha-controller-operator-history