# Relationship history for MSHA mine 1517725

Current hierarchy: **William  Rudicill → Belleview Sand & Gravel Inc → TAYLORSPORT TERMINAL**

- 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:** William  Rudicill → TAYLORSPORT TERMINAL; 1985-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Belleview Sand & Gravel Inc → TAYLORSPORT TERMINAL; 1995-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William  Rudicill → Belleview Sand & Gravel Inc; 1995-11-01 to current/open; source msha-controller-operator-history