# Relationship history for MSHA mine 2902559

Current hierarchy: **Robert  Wood; Bruce  Loughridge; Brian  Loughridge → Albuquerque Asphalt Inc. → Thistle**

- 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:** Albuquerque Asphalt Inc. → Thistle; 2024-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Loughridge et al → Thistle; 2024-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Loughridge et al → Albuquerque Asphalt Inc.; 2024-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Wood et al → Albuquerque Asphalt Inc.; 2024-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce  Loughridge et al → Albuquerque Asphalt Inc.; 2024-04-04 to current/open; source msha-controller-operator-history