# Relationship history for MSHA mine 0504403

Current hierarchy: **Wide West Inc/Burbank*Gold Ltd → Wide West Inc/Burbank*Gold Ltd → Ensle'S Prospect**

- 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:** Wide West Inc/Burbank*Gold Ltd → Ensle'S Prospect; 1989-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wide West Inc/Burbank*Gold Ltd → Ensle'S Prospect; 1989-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wide West Inc/Burbank*Gold Ltd → Wide West Inc/Burbank*Gold Ltd; 1989-06-01 to current/open; source msha-controller-operator-history