# Relationship history for MSHA mine 0801468

Current hierarchy: **Jessica  Lehr → CJC Shell, LLC → CJC Shell Magnolia Site**

- 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:** Jessica  Lehr → CJC Shell Magnolia Site; 2020-07-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CJC Shell, LLC → CJC Shell Magnolia Site; 2025-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jessica  Lehr → CJC Shell, LLC; 2025-09-23 to current/open; source msha-controller-operator-history