# Relationship history for MSHA mine 0405575

Current hierarchy: **Jeffrey A Swanger → Ocean View Mines LLC → Oceanview 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:** Ocean View Mines LLC → Oceanview Mine; 2003-10-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey A Swanger → Oceanview Mine; 2003-10-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey A Swanger → Ocean View Mines LLC; 2003-10-08 to current/open; source msha-controller-operator-history