# Relationship history for MSHA mine 0405944

Current hierarchy: **Johnny  Carr; John A Lang; JR  Carr → J5 AU LLC → Twin Sisters Mine**

- 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:** J5 AU LLC → Twin Sisters Mine; 2022-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John A Lang et al → Twin Sisters Mine; 2022-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John A Lang et al → J5 AU LLC; 2022-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** JR  Carr et al → J5 AU LLC; 2022-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnny  Carr et al → J5 AU LLC; 2022-08-30 to current/open; source msha-controller-operator-history