# Relationship history for MSHA mine 4202467

Current hierarchy: **Mike D  Shumway → Reliance Resources, LLC → Maggie**

- 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:** Mike D  Shumway et al → Maggie; 2005-06-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Reliance Resources, LLC → Maggie; 2007-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike D  Shumway et al → Reliance Resources, LLC; 2007-04-01 to current/open; source msha-controller-operator-history