# Relationship history for MSHA mine 3503731

Current hierarchy: **David  Adams; Danny  Ellison → Red Vein → ORMC 163075**

- 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:** Red Vein → ORMC 163075; 2010-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Adams et al → ORMC 163075; 2010-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Adams et al → Red Vein; 2010-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Ellison et al → Red Vein; 2010-02-03 to current/open; source msha-controller-operator-history