# Relationship history for MSHA mine 2902267

Current hierarchy: **Jim  Mc Nutt → Mc Nutt  Construction → Rodriguez Pit**

- 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:** Jim  Mc Nutt → Rodriguez Pit; 1987-10-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mc Nutt  Construction → Rodriguez Pit; 2004-05-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Mc Nutt → Mc Nutt  Construction; 2004-05-06 to current/open; source msha-controller-operator-history