# Relationship history for MSHA mine 5002048

Current hierarchy: **Albert M  Manns → Paradise Valley Inc (AMM1) → Birch Creek 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:** Paradise Valley Inc (AMM1) → Birch Creek Mine; 2016-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Albert M  Manns → Birch Creek Mine; 2016-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Albert M  Manns → Paradise Valley Inc (AMM1); 2016-06-06 to current/open; source msha-controller-operator-history