# Relationship history for MSHA mine 1700872

Current hierarchy: **Daniel  Belanger; Edward  Belanger → Northern Maine Paving Inc. → Northern Maine Paving Inc.**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Northern Maine Paving Inc. → Northern Maine Paving Inc.; 2011-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Edward  Belanger et al → Northern Maine Paving Inc.; 2011-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edward  Belanger et al → Northern Maine Paving Inc.; 2011-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Belanger et al → Northern Maine Paving Inc.; 2011-05-17 to current/open; source msha-controller-operator-history
