# Relationship history for MSHA mine 4202772

Current hierarchy: **Brianna N Brown; Rhett  Brown → Jump Creek Screening LLC → Jump Creek**

- 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:** Jump Creek Screening LLC → Jump Creek; 2024-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brianna N Brown et al → Jump Creek; 2024-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brianna N Brown et al → Jump Creek Screening LLC; 2024-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rhett  Brown et al → Jump Creek Screening LLC; 2024-11-04 to current/open; source msha-controller-operator-history