# Relationship history for MSHA mine 1517808

Current hierarchy: **Danny  Justus → Southfork Mining Inc → Mine No 1**

- 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:** Southfork Mining Inc → Mine No 1; 1996-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Justus → Mine No 1; 1996-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Justus → Southfork Mining Inc; 1996-07-01 to current/open; source msha-controller-operator-history