# Relationship history for MSHA mine 1302254

Current hierarchy: **Judy  Murphy → Heaven Bound → HEAVEN BOUND PIT**

- 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:** Heaven Bound → HEAVEN BOUND PIT; 2000-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Judy  Murphy → HEAVEN BOUND PIT; 2000-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Judy  Murphy → Heaven Bound; 2000-03-01 to current/open; source msha-controller-operator-history