# Relationship history for MSHA mine 4103515

Current hierarchy: **Uranium Resources Inc → URI, Inc. → KINGSVILLE DOME PROJ**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** URI, Inc. → KINGSVILLE DOME PROJ; 1988-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Uranium Resources Inc → KINGSVILLE DOME PROJ; 1988-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Uranium Resources Inc → URI, Inc.; 1988-02-01 to current/open; source msha-controller-operator-history