# Relationship history for MSHA mine 2103715

Current hierarchy: **Crow Wing Cooperative Power & Light Company → Cooperative Mineral Resources, LLC → Emily Manganese 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Cooperative Mineral Resources, LLC → Emily Manganese Mine; 2010-11-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Crow Wing Cooperative Power & Light Company → Emily Manganese Mine; 2010-11-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Crow Wing Cooperative Power & Light Company → Cooperative Mineral Resources, LLC; 2010-11-03 to current/open; source msha-controller-operator-history