# Relationship history for MSHA mine 4605431

Current hierarchy: **Aaron V  Johnson → Vance River Terminal Inc → Eldredge #2 Tipple**

- 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:** Aaron V  Johnson → Eldredge #2 Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vance River Terminal Inc → Eldredge #2 Tipple; 1977-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aaron V  Johnson → Vance River Terminal Inc; 1977-02-01 to current/open; source msha-controller-operator-history