# Relationship history for MSHA mine 0103618

Current hierarchy: **Lisa C  Sweeney → LCS Unlimited LLC → Pit 6**

- 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:** Lisa C  Sweeney → Pit 6; 2021-02-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** LCS Unlimited LLC → Pit 6; 2025-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lisa C  Sweeney → LCS Unlimited LLC; 2025-01-27 to current/open; source msha-controller-operator-history