# Relationship history for MSHA mine 2402112

Current hierarchy: **Jeffrey S  Stores → Hi Line Redi-Mix LLC → HRM Mobile Processing Plant**

- 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

- **controller_controls_mine:** Stuart  Howell → HRM Mobile Processing Plant; 1997-01-01 to 1999-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Curly Corp → HRM Mobile Processing Plant; 1997-06-01 to 1999-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Stuart  Howell → Curly Corp; 1997-06-01 to 1999-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Hi Line Redi-Mix LLC → HRM Mobile Processing Plant; 1999-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey S  Stores → HRM Mobile Processing Plant; 1999-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey S  Stores → Hi Line Redi-Mix LLC; 1999-12-01 to current/open; source msha-controller-operator-history