# Relationship history for MSHA mine 4405414

Current hierarchy: **Taylor Rodney E → Bluston Mining Inc → Bluston Ii**

- 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:** Taylor Rodney E → Bluston Ii; 1978-10-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bluston Mining Inc → Bluston Ii; 1980-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Taylor Rodney E → Bluston Mining Inc; 1980-04-01 to current/open; source msha-controller-operator-history