# Relationship history for MSHA mine 1519704

Current hierarchy: **Trampas  Shannon → Shannon Augering LLC → Auger (#50)**

- 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

- **controller_controls_mine:** Trampas  Shannon → Auger (#50); 2013-04-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Genesis Mining, LLC → Auger (#50); 2013-05-02 to 2013-11-03; source msha-controller-operator-history
- **controller_controls_operator:** Trampas  Shannon → Genesis Mining, LLC; 2013-05-02 to 2013-11-03; source msha-controller-operator-history
- **operator_operates_mine:** Shannon Augering LLC → Auger (#50); 2013-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Trampas  Shannon → Auger (#50); 2013-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Trampas  Shannon → Shannon Augering LLC; 2013-11-04 to current/open; source msha-controller-operator-history