# Relationship history for MSHA mine 0202698

Current hierarchy: **Tom  McCrossan → C.S. McCrossan, Inc → Cedar Hills Site**

- 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

- **controller_controls_mine:** Tom  McCrossan → Cedar Hills Site; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Margaret F  Adams → Cedar Hills Site; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Red Mountain Mining Inc → Cedar Hills Site; 1997-07-01 to 2008-06-19; source msha-controller-operator-history
- **controller_controls_operator:** Margaret F  Adams → Red Mountain Mining Inc; 1997-07-01 to 2008-06-19; source msha-controller-operator-history
- **controller_controls_mine:** Mark  Adams et al → Cedar Hills Site; 2008-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mineral Park Materials, LLC → Cedar Hills Site; 2008-06-20 to 2014-03-20; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Adams et al → Mineral Park Materials, LLC; 2008-06-20 to 2014-03-20; source msha-controller-operator-history
- **controller_controls_operator:** Van  Adams et al → Mineral Park Materials, LLC; 2008-06-20 to 2014-03-20; source msha-controller-operator-history
- **operator_operates_mine:** C.S. McCrossan, Inc → Cedar Hills Site; 2014-03-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tom  McCrossan → C.S. McCrossan, Inc; 2014-03-21 to current/open; source msha-controller-operator-history