# Relationship history for MSHA mine 3610444

Current hierarchy: **Frank J  Casilio; Patrick  Ruggiero → NORTHLEDGE LLC → KLEEMAN 110 JAW CRUSHER**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Frank J  Casilio et al → KLEEMAN 110 JAW CRUSHER; 2009-05-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Northledge LLC → KLEEMAN 110 JAW CRUSHER; 2024-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank J  Casilio et al → Northledge LLC; 2024-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  Ruggiero et al → Northledge LLC; 2024-04-24 to current/open; source msha-controller-operator-history