# Relationship history for MSHA mine 0202784

Current hierarchy: **Town Of Chino Valley-AZ → Town Of Chino Valley Public Works Department → OLD HOME MANOR**

- 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:** Town Of Chino Valley-AZ → OLD HOME MANOR; 1988-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Town Of Chino Valley Public Works Department → OLD HOME MANOR; 1998-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Town Of Chino Valley-AZ → Town Of Chino Valley Public Works Department; 1998-09-01 to current/open; source msha-controller-operator-history