# Relationship history for MSHA mine 2302525

Current hierarchy: **Morgan County-MO → Morgan County → Morgan County**

- 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:** Morgan County → Morgan County; 2018-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Morgan County-MO → Morgan County; 2018-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morgan County-MO → Morgan County; 2018-07-16 to current/open; source msha-controller-operator-history