# Relationship history for MSHA mine 3401376

Current hierarchy: **Alexander Jack → Paulson Construction Inc → John'S Fault #7**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Paulson Construction Company Inc → John'S Fault #7; 1982-12-01 to 1985-05-22; source msha-controller-operator-history
- **controller_controls_mine:** Hoyle David → John'S Fault #7; 1982-12-01 to 1985-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Hoyle David → Paulson Construction Company Inc; 1982-12-01 to 1985-05-22; source msha-controller-operator-history
- **operator_operates_mine:** Paulson Construction Inc → John'S Fault #7; 1985-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alexander Jack → John'S Fault #7; 1985-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alexander Jack → Paulson Construction Inc; 1985-05-23 to current/open; source msha-controller-operator-history