# Relationship history for MSHA mine 4105762

Current hierarchy: **Jason E Cory → K Bar K Operations → K Bar K Operations**

- 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 & S Farms LLC → K Bar K Operations; 2024-08-04 to 2026-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Bryan  Barnes → K Bar K Operations; 2024-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bryan  Barnes → B & S Farms LLC; 2024-08-04 to 2026-01-13; source msha-controller-operator-history
- **operator_operates_mine:** K Bar K Operations → K Bar K Operations; 2026-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jason E Cory → K Bar K Operations; 2026-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason E Cory → K Bar K Operations; 2026-01-14 to current/open; source msha-controller-operator-history