# Relationship history for MSHA mine 2200465

Current hierarchy: **State Of Mississippi → Mississippi Department Of Agriculture & Commerce → Waynesboro Lime Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** State Of Mississippi → Waynesboro Lime Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mississippi Department Of Agriculture & Commerce → Waynesboro Lime Plant; 1978-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** State Of Mississippi → Mississippi Department Of Agriculture & Commerce; 1978-03-09 to current/open; source msha-controller-operator-history