# Relationship history for MSHA mine 4801595

Current hierarchy: **Edward W  Eldridge → Eldridge Excavating Inc → CRUSHER #3**

- 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:** Eldridge Excavating Inc → CRUSHER #3; 2004-12-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Edward W  Eldridge → CRUSHER #3; 2004-12-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edward W  Eldridge → Eldridge Excavating Inc; 2004-12-09 to current/open; source msha-controller-operator-history