# Relationship history for MSHA mine 0302009

Current hierarchy: **James  Butler → JCJ Trucking, LLC. → Black Bear Mine**

- 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:** Jay L  Hill → Black Bear Mine; 2006-12-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hokie Okie Stone → Black Bear Mine; 2011-05-20 to 2014-07-17; source msha-controller-operator-history
- **controller_controls_operator:** Jay L  Hill → Hokie Okie Stone; 2011-05-20 to 2014-07-17; source msha-controller-operator-history
- **operator_operates_mine:** JCJ Trucking, LLC. → Black Bear Mine; 2014-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James  Butler → Black Bear Mine; 2014-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Butler → JCJ Trucking, LLC.; 2014-07-18 to current/open; source msha-controller-operator-history