# Relationship history for MSHA mine 3303802

Current hierarchy: **Oxenrider Mary → Lox Construction Inc → Orange Auger**

- 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:** Oxenrider Mary → Orange Auger; 1974-05-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lox Construction Inc → Orange Auger; 1980-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Oxenrider Mary → Lox Construction Inc; 1980-02-01 to current/open; source msha-controller-operator-history