# Relationship history for MSHA mine 0801144

Current hierarchy: **Garcio Edwardo (Allen) → Galtech Inc → Lakes Brighton**

- 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:** Galtech Inc → Lakes Brighton; 1990-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Garcio Edwardo (Allen) → Lakes Brighton; 1990-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garcio Edwardo (Allen) → Galtech Inc; 1990-08-01 to current/open; source msha-controller-operator-history