# Relationship history for MSHA mine 4300563

Current hierarchy: **Nick  Manosh → N A Manosh Inc → Aggregate 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Howard A  Manosh → Aggregate Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** H A Manosh Corp → Aggregate Plant; 2001-07-01 to 2019-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Howard A  Manosh → H A Manosh Corp; 2001-07-01 to 2019-05-14; source msha-controller-operator-history
- **operator_operates_mine:** N A Manosh Inc → Aggregate Plant; 2019-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nick  Manosh → Aggregate Plant; 2019-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nick  Manosh → N A Manosh Inc; 2019-05-15 to current/open; source msha-controller-operator-history