# Relationship history for MSHA mine 4607690

Current hierarchy: **Cline Larry → Breezy Point 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

- **operator_operates_mine:** Breezy Point Mining Inc → No 1; 1989-04-01 to 1989-08-06; source msha-controller-operator-history
- **controller_controls_mine:** Carver Bobby → No 1; 1989-04-01 to 1989-08-06; source msha-controller-operator-history
- **controller_controls_operator:** Carver Bobby → Breezy Point Mining Inc; 1989-04-01 to 1989-08-06; source msha-controller-operator-history
- **operator_operates_mine:** Breezy Point Mining Inc → No 1; 1989-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cline Larry → No 1; 1989-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cline Larry → Breezy Point Mining Inc; 1989-08-07 to current/open; source msha-controller-operator-history