# Relationship history for MSHA mine 1102824

Current hierarchy: **Randy  Holesinger → C J Materials Inc → C J Materials Inc**

- 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:** Dale W Bennett → C J Materials Inc; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Nelson Sand & Gravel Company → C J Materials Inc; 1985-04-01 to 1987-12-23; source msha-controller-operator-history
- **controller_controls_operator:** Dale W Bennett → Nelson Sand & Gravel Company; 1985-04-01 to 1987-12-23; source msha-controller-operator-history
- **operator_operates_mine:** C J Materials Inc → C J Materials Inc; 1987-12-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randy  Holesinger → C J Materials Inc; 1987-12-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy  Holesinger → C J Materials Inc; 1987-12-24 to current/open; source msha-controller-operator-history