# Relationship history for MSHA mine 5001945

Current hierarchy: **Bill  Shaishnikoff → Bering Shai Construction → LJ Cone Plant**

- 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:** Bering Shai Construction → LJ Cone Plant; 2010-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bill  Shaishnikoff → LJ Cone Plant; 2010-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill  Shaishnikoff → Bering Shai Construction; 2010-08-24 to current/open; source msha-controller-operator-history