# Relationship history for MSHA mine 2003301

Current hierarchy: **Floyd  Moore → Cedar Run Sand & Gravel Co → Cedar Run Sand & Gravel Co**

- 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

- **operator_operates_mine:** Cedar Run Sand & Gravel Co → Cedar Run Sand & Gravel Co; 2004-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Floyd  Moore → Cedar Run Sand & Gravel Co; 2004-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Floyd  Moore → Cedar Run Sand & Gravel Co; 2004-08-11 to current/open; source msha-controller-operator-history