# Relationship history for MSHA mine 1601441

Current hierarchy: **R J  Booty → R J Booty Enterprise → R J Booty Enterprise**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** R J Booty Enterprise → R J Booty Enterprise; 2006-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** R J  Booty  et al → R J Booty Enterprise; 2006-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R J  Booty  et al → R J Booty Enterprise; 2006-08-10 to current/open; source msha-controller-operator-history