# Relationship history for MSHA mine 1103231

Current hierarchy: **Kimberly Ann  Evans → Dutch Mill Stone → Dutch Mill Stone**

- 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:** Charles R Evans/Kimberly Evans → Dutch Mill Stone; 2010-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kimberly Ann  Evans → Dutch Mill Stone; 2010-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kimberly Ann  Evans → Charles R Evans/Kimberly Evans; 2010-09-22 to current/open; source msha-controller-operator-history