# Relationship history for MSHA mine 1700766

Current hierarchy: **Peter J  Busque → BUSQUE CONSTRUCTION CO INC → WINDHAM PROPERTIES LLC**

- 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:** BUSQUE CONSTRUCTION CO INC → WINDHAM PROPERTIES LLC; 2004-03-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peter J  Busque → WINDHAM PROPERTIES LLC; 2004-03-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter J  Busque → BUSQUE CONSTRUCTION CO INC; 2004-03-24 to current/open; source msha-controller-operator-history