# Relationship history for MSHA mine 3608044

Current hierarchy: **Albright Barry → Coal Stripping Inc → Csi #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:** Albright Barry Et Al → Csi #2; 1984-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal Stripping Inc → Csi #2; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Albright Barry Et Al → Coal Stripping Inc; 1988-09-01 to current/open; source msha-controller-operator-history