# Relationship history for MSHA mine 1700951

Current hierarchy: **Leland Peabbles  Murray III → LP Murray & Sons, Inc. → Bluestone Quarry**

- 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:** LP Murray & Sons, Inc. → Bluestone Quarry; 2014-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Leland Peabbles  Murray III → Bluestone Quarry; 2014-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Leland Peabbles  Murray III → LP Murray & Sons, Inc.; 2014-11-19 to current/open; source msha-controller-operator-history