# Relationship history for MSHA mine 1302375

Current hierarchy: **Robert J  Colosimo → Phoenix C & D Recycling Inc → Phoenix Recycling Portable Crusher**

- 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

- **operator_operates_mine:** Phoenix C & D Recycling Inc → Phoenix Recycling Portable Crusher; 2008-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert J  Colosimo → Phoenix Recycling Portable Crusher; 2008-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert J  Colosimo → Phoenix C & D Recycling Inc; 2008-09-09 to current/open; source msha-controller-operator-history