# Relationship history for MSHA mine 2302561

Current hierarchy: **Tracy L  Bogler → Osage Fire Clay LLC → Judd**

- 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:** Tracy L  Bogler → Judd; 2021-08-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Osage Fire Clay LLC → Judd; 2021-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tracy L  Bogler → Osage Fire Clay LLC; 2021-09-10 to current/open; source msha-controller-operator-history