# Relationship history for MSHA mine 0103308

Current hierarchy: **Frank A  Lowery → Southeast Sand Co., LLC → Southeast Sand Co., LLC**

- 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:** Southeast Sand Co., LLC → Southeast Sand Co., LLC; 2004-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frank A  Lowery → Southeast Sand Co., LLC; 2004-12-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank A  Lowery → Southeast Sand Co., LLC; 2004-12-29 to current/open; source msha-controller-operator-history