# Relationship history for MSHA mine 1001952

Current hierarchy: **John  Badiola → Lurre Construction → CR4**

- 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:** Lurre Construction → CR4; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  Badiola → CR4; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Badiola → Lurre Construction; 1999-06-01 to current/open; source msha-controller-operator-history