# Relationship history for MSHA mine 1512582

Current hierarchy: **Brown Gene → Green River Energy Inc → Justin Mine**

- 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:** Cat Mining Corp → Justin Mine; 1980-09-01 to 1981-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Painter Gordon L → Justin Mine; 1980-09-01 to 1981-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Painter Gordon L → Cat Mining Corp; 1980-09-01 to 1981-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Justin Mining → Justin Mine; 1981-10-06 to 1982-09-27; source msha-controller-operator-history
- **controller_controls_mine:** Dellamorta Ralph & Paul Shelton → Justin Mine; 1981-10-06 to 1982-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Dellamorta Ralph & Paul Shelton → Justin Mining; 1981-10-06 to 1982-09-27; source msha-controller-operator-history
- **operator_operates_mine:** Green River Energy Inc → Justin Mine; 1982-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brown Gene → Justin Mine; 1982-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brown Gene → Green River Energy Inc; 1982-09-28 to current/open; source msha-controller-operator-history