# Relationship history for MSHA mine 1601505

Current hierarchy: **Marion  Phillips → J.P.& Sons Dredging LLC → Papa Joe**

- 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

- **controller_controls_mine:** Joseph  Phillips Sr → Papa Joe; 2003-12-16 to 2007-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Marion  Phillips → Papa Joe; 2007-08-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J.P.& Sons Dredging LLC → Papa Joe; 2010-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marion  Phillips → J.P.& Sons Dredging LLC; 2010-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph  Phillips Sr → J.P.& Sons Dredging LLC; 2010-12-22 to 2007-08-01; source msha-controller-operator-history