# Relationship history for MSHA mine 4104683

Current hierarchy: **New Birmingham Incorporated → New Birmingham Resources, LLC → Dialville Red**

- 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:** New Birmingham Incorporated → Dialville Red; 2006-07-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** New Birmingham Resources, LLC → Dialville Red; 2007-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** New Birmingham Incorporated → New Birmingham Resources, LLC; 2007-08-16 to current/open; source msha-controller-operator-history