# Relationship history for MSHA mine 3609471

Current hierarchy: **Daniel S  Warner → Warner Quarry #1 LLC, → Warner Quarry #1**

- 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:** Daniel S. Warner → Warner Quarry #1; 2006-09-26 to 2010-02-17; source msha-controller-operator-history
- **controller_controls_mine:** Daniel S  Warner → Warner Quarry #1; 2006-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel S  Warner → Daniel S. Warner; 2006-09-26 to 2010-02-17; source msha-controller-operator-history
- **operator_operates_mine:** Warner Quarry #1 LLC, → Warner Quarry #1; 2010-02-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniel S  Warner → Warner Quarry #1; 2010-02-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel S  Warner → Warner Quarry #1 LLC,; 2010-02-18 to current/open; source msha-controller-operator-history
