# Relationship history for MSHA mine 4003261

Current hierarchy: **Bryan  Wilson → Southeast Coal Contractors LLC → 90974**

- 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

- **operator_operates_mine:** Southeast Coal Contractors LLC → 90974; 2005-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bryan  Wilson et al → 90974; 2005-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bryan  Wilson et al → Southeast Coal Contractors LLC; 2005-05-23 to current/open; source msha-controller-operator-history