# Relationship history for MSHA mine 1002248

Current hierarchy: **Jerry Lee  Inama → Machinery Operations & Excavation Co. (M.O.E. Co.) → M&M China Lode**

- 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

- **operator_operates_mine:** Machinery Operations & Excavation Co. (M.O.E. Co.) → M&M China Lode; 2014-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry Lee  Inama → M&M China Lode; 2014-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry Lee  Inama → Machinery Operations & Excavation Co. (M.O.E. Co.); 2014-06-02 to current/open; source msha-controller-operator-history