# Relationship history for MSHA mine 0600813

Current hierarchy: **Daniel  Lally → Hubert E Butler Construction Co, LLC → Montville Quarry**

- 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

- **controller_controls_mine:** Daniel  Lally  et al → Montville Quarry; 2000-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hubert E Butler Construction Co, LLC → Montville Quarry; 2019-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Lally  et al → Hubert E Butler Construction Co, LLC; 2019-02-11 to current/open; source msha-controller-operator-history