# Relationship history for MSHA mine 1701025

Current hierarchy: **Leland Peabbles  Murray III → Sand Scrabble LLC → Portable Sand Screen**

- 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:** Sand Scrabble LLC → Portable Sand Screen; 2019-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Leland Peabbles  Murray III → Portable Sand Screen; 2019-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Leland Peabbles  Murray III → Sand Scrabble LLC; 2019-10-09 to current/open; source msha-controller-operator-history