# Relationship history for MSHA mine 4801558

Current hierarchy: **Paul W  Garber → Garber Agri-Business Inc → Garber Pit Portable #1**

- 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:** Garber Agri-Business Inc → Garber Pit Portable #1; 1999-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Victor  Garber  et al → Garber Pit Portable #1; 1999-04-01 to 2019-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Victor  Garber  et al → Garber Agri-Business Inc; 1999-04-01 to 2019-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Paul W  Garber → Garber Pit Portable #1; 2019-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul W  Garber → Garber Agri-Business Inc; 2019-01-18 to current/open; source msha-controller-operator-history