# Relationship history for MSHA mine 3606800

Current hierarchy: **Cirra Anthony G → Anthony G Cirra → Reclamation Project No 608**

- 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:** Anthony G Cirra → Reclamation Project No 608; 1978-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cirra Anthony G → Reclamation Project No 608; 1978-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cirra Anthony G → Anthony G Cirra; 1978-11-01 to current/open; source msha-controller-operator-history