# Relationship history for MSHA mine 0102318

Current hierarchy: **Edmond  Cash → Cash Mines Inc → Cash Mines No 1**

- 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:** Cash Mines Inc → Cash Mines No 1; 1981-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Max  Cash → Cash Mines No 1; 1981-05-01 to 2012-03-28; source msha-controller-operator-history
- **controller_controls_operator:** Max  Cash → Cash Mines Inc; 1981-05-01 to 2012-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Edmond  Cash → Cash Mines No 1; 2012-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edmond  Cash → Cash Mines Inc; 2012-03-29 to current/open; source msha-controller-operator-history