# Relationship history for MSHA mine 0203163

Current hierarchy: **Carlo S  Agudio → R. A. M. Mining LLC → Carper Mine**

- 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:** R. A. M. Mining LLC → Carper Mine; 2007-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carlo S  Agudio → Carper Mine; 2007-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carlo S  Agudio → R. A. M. Mining LLC; 2007-02-15 to current/open; source msha-controller-operator-history