# Relationship history for MSHA mine 4300013

Current hierarchy: **Gary  Hadeka → Hadeka Slate Flooring Inc → J & G HADEKA SLATE QUARRY**

- 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:** Hadeka Slate Flooring Inc → J & G HADEKA SLATE QUARRY; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Hadeka → J & G HADEKA SLATE QUARRY; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Hadeka → Hadeka Slate Flooring Inc; 1950-01-01 to current/open; source msha-controller-operator-history