# Relationship history for MSHA mine 2302560

Current hierarchy: **John  Hirlinger Et al; Margot  Hirlinger Et al → BT Minerals LLC → Motley**

- 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:** John  Hirlinger Et al → Motley; 2020-08-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** BT Minerals LLC → Motley; 2021-09-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Hirlinger Et al → BT Minerals LLC; 2021-09-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Margot  Hirlinger Et al → BT Minerals LLC; 2021-09-07 to current/open; source msha-controller-operator-history