# Relationship history for MSHA mine 2501276

Current hierarchy: **(Kevin) Kim  Rosane → Kustom Rock Crushing → Kustom Rock Crushing**

- 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:** (Kevin) Kim  Rosane → Kustom Rock Crushing; 1994-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kustom Rock Crushing → Kustom Rock Crushing; 2011-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** (Kevin) Kim  Rosane → Kustom Rock Crushing; 2011-10-01 to current/open; source msha-controller-operator-history