# Relationship history for MSHA mine 1103032

Current hierarchy: **Hoskins John A → Coal Carbon Inc → Coal Carbon 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Hoskins John A → Coal Carbon Inc #2; 1993-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal Carbon Inc → Coal Carbon Inc #2; 1998-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hoskins John A → Coal Carbon Inc; 1998-07-01 to current/open; source msha-controller-operator-history