# Relationship history for MSHA mine 3607177

Current hierarchy: **Lofdgren George → Liberty Minerals Inc → Rod & Gun Club**

- 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:** Liberty Minerals Inc → Rod & Gun Club; 1981-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lofdgren George → Rod & Gun Club; 1981-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lofdgren George → Liberty Minerals Inc; 1981-08-01 to current/open; source msha-controller-operator-history