# Relationship history for MSHA mine 4202668

Current hierarchy: **Daniel  McAffee; Christy  McAffee; Jeff  Routledge → Crystal Pass Industries → Crystal Pass Mill**

- 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:** Crystal Pass Industries → Crystal Pass Mill; 2017-02-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christy  McAffee et al → Crystal Pass Mill; 2017-02-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christy  McAffee et al → Crystal Pass Industries; 2017-02-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Routledge et al → Crystal Pass Industries; 2017-02-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  McAffee et al → Crystal Pass Industries; 2017-02-23 to current/open; source msha-controller-operator-history