# Relationship history for MSHA mine 3402252

Current hierarchy: **77722 Investments LLC; LFG Mining LLC → Southern Sand LLC → Southern Sand-Colbert**

- 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:** Southern Sand LLC → Southern Sand-Colbert; 2025-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** 77722 Investments LLC et al → Southern Sand-Colbert; 2025-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** 77722 Investments LLC et al → Southern Sand LLC; 2025-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** LFG Mining LLC et al → Southern Sand LLC; 2025-11-13 to current/open; source msha-controller-operator-history