# Relationship history for MSHA mine 3400116

Current hierarchy: **Frank Joniece → Frankoma Pottery Inc → Sugar Loaf Hill**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Frankoma Pottery Inc → Sugar Loaf Hill; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frank Joniece → Sugar Loaf Hill; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank Joniece → Frankoma Pottery Inc; 1950-01-01 to current/open; source msha-controller-operator-history