# Relationship history for MSHA mine 0901190

Current hierarchy: **Harris Bernard  Rahn → Indigo F.G. & G. Inc. → Hadley 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Indigo F.G. & G. Inc. → Hadley pit; 2009-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harris Bernard  Rahn → Hadley pit; 2009-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harris Bernard  Rahn → Indigo F.G. & G. Inc.; 2009-10-07 to current/open; source msha-controller-operator-history