# Relationship history for MSHA mine 2402093

Current hierarchy: **Ogg William A → B B R Inc → Neversweat Placers**

- 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:** B B R Inc → Neversweat Placers; 1996-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ogg William A → Neversweat Placers; 1996-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ogg William A → B B R Inc; 1996-05-01 to current/open; source msha-controller-operator-history