# Relationship history for MSHA mine 1519293

Current hierarchy: **Bart  Montanari → Monties Resources LLC → Monties #2**

- 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:** Monties Resources LLC → Monties #2; 2008-08-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bart  Montanari → Monties #2; 2008-08-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bart  Montanari → Monties Resources LLC; 2008-08-13 to current/open; source msha-controller-operator-history