# Relationship history for MSHA mine 1519124

Current hierarchy: **Timothy R  Dye → D & D Mining  Inc → #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

- **controller_controls_mine:** Timothy R  Dye → #2; 2004-12-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** D & D Mining  Inc → #2; 2007-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy R  Dye → D & D Mining  Inc; 2007-06-12 to current/open; source msha-controller-operator-history