# Relationship history for MSHA mine 4801465

Current hierarchy: **Goshen County-Wy → Goshen County Road & Bridge → GOSHEN COUNTY CRUSHER**

- 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:** Goshen County Road & Bridge → GOSHEN COUNTY CRUSHER; 1987-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Goshen County-Wy → GOSHEN COUNTY CRUSHER; 1987-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Goshen County-Wy → Goshen County Road & Bridge; 1987-03-01 to current/open; source msha-controller-operator-history
