# Relationship history for MSHA mine 1002344

Current hierarchy: **Chet  Jensen; Darin C  Braun → Braun-Jensen Inc. → Goodrich Source**

- 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:** Braun-Jensen Inc. → Goodrich Source; 2022-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Chet  Jensen et al → Goodrich Source; 2022-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chet  Jensen et al → Braun-Jensen Inc.; 2022-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Darin C  Braun et al → Braun-Jensen Inc.; 2022-10-14 to current/open; source msha-controller-operator-history