# Relationship history for MSHA mine 0203208

Current hierarchy: **Rupert Guy  Lemons → Carson Construction → 10X**

- 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:** Carson Construction → 10X; 2008-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rupert Guy  Lemons → 10X; 2008-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rupert Guy  Lemons → Carson Construction; 2008-01-17 to current/open; source msha-controller-operator-history