# Relationship history for MSHA mine 0203277

Current hierarchy: **James Yun Wei  Cai; Guo Peng  Chen → JP Project LLC → G Y Mine**

- 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:** G Y Minerals Inc → G Y Mine; 2011-04-21 to 2014-05-01; source msha-controller-operator-history
- **controller_controls_mine:** James Yun Wei  Cai → G Y Mine; 2011-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James Yun Wei  Cai → G Y Minerals Inc; 2011-04-21 to 2014-05-01; source msha-controller-operator-history
- **operator_operates_mine:** JP Project LLC → G Y Mine; 2014-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James Yun Wei  Cai et al → G Y Mine; 2014-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James Yun Wei  Cai et al → JP Project LLC; 2014-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Guo Peng  Chen et al → JP Project LLC; 2014-05-02 to current/open; source msha-controller-operator-history