# Relationship history for MSHA mine 0600732

Current hierarchy: **Jane M  Bawza; Rudolph R  Bawza Jr → Bawza Stone LLC → Bawza Stone LLC**

- 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:** Bawza Stone LLC → Bawza Stone LLC; 2006-03-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rudolph R  Bawza Jr  et al → Bawza Stone LLC; 2006-03-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rudolph R  Bawza Jr  et al → Bawza Stone LLC; 2006-03-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jane M  Bawza  et al → Bawza Stone LLC; 2006-03-30 to current/open; source msha-controller-operator-history