# Relationship history for MSHA mine 0405782

Current hierarchy: **Steve  Bubalo → S L S & N Inc → CR-04**

- 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:** Steve  Bubalo → CR-04; 1990-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S L S & N Inc → CR-04; 2009-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Bubalo → S L S & N Inc; 2009-04-21 to current/open; source msha-controller-operator-history