# Relationship history for MSHA mine 3402003

Current hierarchy: **Kenny N  Blaylock → Choctaw Stone → Choctaw Stone #3**

- 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

- **controller_controls_mine:** Kenny N  Blaylock → Choctaw Stone #3; 2005-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Choctaw Stone → Choctaw Stone #3; 2006-03-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenny N  Blaylock → Choctaw Stone; 2006-03-08 to current/open; source msha-controller-operator-history