# Relationship history for MSHA mine 0103418

Current hierarchy: **Kim V  Bearden → Kim Bearden → Martling Quarry**

- 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:** Kim Bearden → Martling Quarry; 2009-07-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kim V  Bearden → Martling Quarry; 2009-07-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kim V  Bearden → Kim Bearden; 2009-07-06 to current/open; source msha-controller-operator-history
