# Relationship history for MSHA mine 2700398

Current hierarchy: **John E Neville → John E. Neville Excavating Inc. → Neville Materials LLC**

- 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:** John E. Neville Excavating Inc. → Neville Materials LLC; 2005-03-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John E Neville → Neville Materials LLC; 2005-03-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John E Neville → John E. Neville Excavating Inc.; 2005-03-21 to current/open; source msha-controller-operator-history
