# Relationship history for MSHA mine 0200630

Current hierarchy: **Robert D  Miller → RED PIT MINE → RED PIT 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:** Flagstaff Cinder Sales Inc → RED PIT MINE; 1950-01-01 to 2007-07-01; source msha-controller-operator-history
- **controller_controls_mine:** Mary L  Olivier  et al → RED PIT MINE; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mary L  Olivier  et al → Flagstaff Cinder Sales Inc; 1950-01-01 to 2007-07-01; source msha-controller-operator-history
- **controller_controls_operator:** Robert D  Olivier  et al → Flagstaff Cinder Sales Inc; 1950-01-01 to 2007-07-01; source msha-controller-operator-history
- **operator_operates_mine:** RE Asset Management, LLC → RED PIT MINE; 2007-07-02 to 2007-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Robert D  Miller et al → RED PIT MINE; 2007-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert D  Miller et al → RE Asset Management, LLC; 2007-07-02 to 2007-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Red Pit Mine → RED PIT MINE; 2008-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert D  Miller et al → RED PIT MINE; 2008-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert D  Miller et al → Red Pit Mine; 2008-01-01 to current/open; source msha-controller-operator-history