# Relationship history for MSHA mine 0301796

Current hierarchy: **Morris L  Denton → War Eagle Crushed Stone → WAR EAGLE CRUSHED STONE**

- 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:** War Eagle Crushed Stone → WAR EAGLE CRUSHED STONE; 1998-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Morris L  Denton → WAR EAGLE CRUSHED STONE; 1998-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morris L  Denton → War Eagle Crushed Stone; 1998-05-01 to current/open; source msha-controller-operator-history