# Relationship history for MSHA mine 3304046

Current hierarchy: **Kannal James R → Trade Winds Energy Inc → Diamond #2**

- 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:** Trade Winds Energy Inc → Diamond #2; 1986-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kannal James R → Diamond #2; 1986-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kannal James R → Trade Winds Energy Inc; 1986-04-01 to current/open; source msha-controller-operator-history