# Relationship history for MSHA mine 3609393

Current hierarchy: **John A.  Sidari → M&J Excavation Inc. → Alderney**

- 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:** LANC Realestate, Inc. → Alderney; 2006-03-22 to 2008-07-17; source msha-controller-operator-history
- **controller_controls_mine:** Michael S  Carsia → Alderney; 2006-03-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael S  Carsia → LANC Realestate, Inc.; 2006-03-22 to 2008-07-17; source msha-controller-operator-history
- **controller_controls_mine:** John A.  Sidari → Alderney; 2008-03-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** M&J Excavation Inc. → Alderney; 2008-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John A.  Sidari → M&J Excavation Inc.; 2008-07-18 to current/open; source msha-controller-operator-history