# Relationship history for MSHA mine 1514380

Current hierarchy: **Hensley Harold-Robert Hunley → Judy Anna Coal → #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:** Judy Anna Coal → #1; 1983-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hensley Harold-Robert Hunley Et Al → #1; 1983-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hensley Harold-Robert Hunley Et Al → Judy Anna Coal; 1983-12-01 to current/open; source msha-controller-operator-history