# Relationship history for MSHA mine 0500737

Current hierarchy: **Di Camillo Paul & Jay → Di Camillo Brothers Mining Company → Nancy Cleo**

- 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:** Di Camillo Brothers Mining Company → Nancy Cleo; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Di Camillo Paul & Jay Et Al → Nancy Cleo; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Di Camillo Paul & Jay Et Al → Di Camillo Brothers Mining Company; 1950-01-01 to current/open; source msha-controller-operator-history