# Relationship history for MSHA mine 4607341

Current hierarchy: **Eddie  Hurley → E & D Mountain View Construction Inc → No 1 (Surface)**

- 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:** E & D Mountain View Construction Inc → No 1 (Surface); 1987-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eddie  Hurley → No 1 (Surface); 1987-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Hurley → E & D Mountain View Construction Inc; 1987-08-01 to current/open; source msha-controller-operator-history