# Relationship history for MSHA mine 4003603

Current hierarchy: **Timmy W Miles; Kevin W Miles → Miles Materials LLC → Miles Materials LLC**

- 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:** Miles Materials LLC → Miles Materials LLC; 2023-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timmy W Miles et al → Miles Materials LLC; 2023-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timmy W Miles et al → Miles Materials LLC; 2023-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin W Miles et al → Miles Materials LLC; 2023-07-01 to current/open; source msha-controller-operator-history