# Relationship history for MSHA mine 4202334

Current hierarchy: **Exelon Corporation; ACI (American Consumer Industries Inc) → Sunnyside Cogeneration Associates → Star Point Refuse Pile**

- 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

- **controller_controls_mine:** ACI (American Consumer Industries Inc) et al → Star Point Refuse Pile; 2000-01-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sunnyside Cogeneration Associates → Star Point Refuse Pile; 2002-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** ACI (American Consumer Industries Inc) et al → Sunnyside Cogeneration Associates; 2002-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Exelon Corporation et al → Sunnyside Cogeneration Associates; 2002-01-31 to current/open; source msha-controller-operator-history