# Relationship history for MSHA mine 4801787

Current hierarchy: **Dana  Wagner; Todd  Wagner → Wagner Ranch Services, LLC → Wagner Scoria 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:** Wagner Ranch Services, LLC → Wagner Scoria Pit; 2014-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Todd  Wagner et al → Wagner Scoria Pit; 2014-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Todd  Wagner et al → Wagner Ranch Services, LLC; 2014-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dana  Wagner et al → Wagner Ranch Services, LLC; 2014-10-02 to current/open; source msha-controller-operator-history