# Relationship history for MSHA mine 4105699

Current hierarchy: **Iron Oak Energy Solutions LLC → Iron Oak Carrizo LLC → Carrizo**

- 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:** Iron Oak Carrizo LLC → Carrizo; 2023-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Orchard Global Asset Management LLP → Carrizo; 2023-06-21 to 2026-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Orchard Global Asset Management LLP → Iron Oak Carrizo LLC; 2023-06-21 to 2026-05-29; source msha-controller-operator-history
- **controller_controls_mine:** Iron Oak Energy Solutions LLC → Carrizo; 2026-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Iron Oak Energy Solutions LLC → Iron Oak Carrizo LLC; 2026-05-30 to current/open; source msha-controller-operator-history