# Relationship history for MSHA mine 4503469

Current hierarchy: **Portia  Pauli; Jinx  Freels; Trevor  Kelpman → Godbey Red-E-Mix Concrete Inc → PowerScreen**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Wanda  Godbey → PowerScreen; 1950-01-01 to 2016-10-27; source msha-controller-operator-history
- **operator_operates_mine:** Godbey Red-E-Mix Concrete Inc → PowerScreen; 2001-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wanda  Godbey → Godbey Red-E-Mix Concrete Inc; 2001-03-01 to 2016-10-27; source msha-controller-operator-history
- **controller_controls_mine:** Jinx  Freels → PowerScreen; 2016-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jinx  Freels → Godbey Red-E-Mix Concrete Inc; 2016-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Portia  Pauli → Godbey Red-E-Mix Concrete Inc; 2016-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Trevor  Kelpman → Godbey Red-E-Mix Concrete Inc; 2016-10-28 to current/open; source msha-controller-operator-history