# Relationship history for MSHA mine 3901592

Current hierarchy: **Joel  McCubbin; Shanna  McCubbin → McCubbin Mining LLC → Iron Creek Placer**

- 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:** Teresa Fox → Iron Creek Placer; 2012-09-25 to 2024-03-05; source msha-controller-operator-history
- **controller_controls_mine:** Teresa A  Fox → Iron Creek Placer; 2012-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Teresa A  Fox → Teresa Fox; 2012-09-25 to 2024-03-05; source msha-controller-operator-history
- **operator_operates_mine:** McCubbin Mining LLC → Iron Creek Placer; 2024-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Shanna  McCubbin et al → Iron Creek Placer; 2024-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shanna  McCubbin et al → McCubbin Mining LLC; 2024-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joel  McCubbin et al → McCubbin Mining LLC; 2024-03-06 to current/open; source msha-controller-operator-history