# Relationship history for MSHA mine 4609243

Current hierarchy: **Robert L  Worley → Baylor Mining Inc → Jims Branch No 3B**

- 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:** Robert L  Worley → Jims Branch No 3B; 1993-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Baylor Mining Inc → Jims Branch No 3B; 2007-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Worley → Baylor Mining Inc; 2007-10-16 to current/open; source msha-controller-operator-history