# Relationship history for MSHA mine 4104939

Current hierarchy: **Zachary  Tausch; Vernon  Tausch → Far South Mining LLC → Whitsett 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

- **controller_controls_mine:** Zachary  Tausch  et al → Whitsett Pit; 2011-10-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Far South Mining LLC → Whitsett Pit; 2012-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Zachary  Tausch  et al → Far South Mining LLC; 2012-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vernon  Tausch  et al → Far South Mining LLC; 2012-04-10 to current/open; source msha-controller-operator-history