# Relationship history for MSHA mine 1002249

Current hierarchy: **Deanna K  Warner; Paul E  Warner → Warner Construction, Inc. → Blacks Creek**

- 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:** Warner Construction, Inc. → Blacks Creek; 2014-06-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul E  Warner et al → Blacks Creek; 2014-06-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul E  Warner et al → Warner Construction, Inc.; 2014-06-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Deanna K  Warner et al → Warner Construction, Inc.; 2014-06-27 to current/open; source msha-controller-operator-history