# Relationship history for MSHA mine 2401769

Current hierarchy: **Eastern Resources, Inc. → Montana Tunnels Mining Inc → Montana Tunnels Mining Inc**

- 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:** Montana Tunnels Mining Inc → Montana Tunnels Mining Inc; 1985-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Apollo Gold Corporation → Montana Tunnels Mining Inc; 1985-11-01 to 2008-04-09; source msha-controller-operator-history
- **controller_controls_operator:** Apollo Gold Corporation → Montana Tunnels Mining Inc; 1985-11-01 to 2008-04-09; source msha-controller-operator-history
- **controller_controls_mine:** Elkhorn Goldfields  LLC → Montana Tunnels Mining Inc; 2008-04-10 to 2012-04-05; source msha-controller-operator-history
- **controller_controls_operator:** Elkhorn Goldfields  LLC → Montana Tunnels Mining Inc; 2008-04-10 to 2012-04-05; source msha-controller-operator-history
- **controller_controls_mine:** Eastern Resources, Inc. → Montana Tunnels Mining Inc; 2012-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eastern Resources, Inc. → Montana Tunnels Mining Inc; 2012-04-06 to current/open; source msha-controller-operator-history