# Relationship history for MSHA mine 3303896

Current hierarchy: **Moore Warren → Moore Mining Company Inc → Moore (Strip)**

- 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:** Moore Warren → Moore (Strip); 1978-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Moore Mining Company Inc → Moore (Strip); 1982-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Moore Warren → Moore Mining Company Inc; 1982-04-01 to current/open; source msha-controller-operator-history