# Relationship history for MSHA mine 0103009

Current hierarchy: **Charles E  Justice → Uptown Motors Inc → Frost**

- 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:** Charles E  Justice → Frost; 1991-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Uptown Motors Inc → Frost; 1994-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles E  Justice → Uptown Motors Inc; 1994-01-01 to current/open; source msha-controller-operator-history
