# Relationship history for MSHA mine 0600595

Current hierarchy: **Daniel  Lally → HUBERT E BUTLER CONSTRUCTION COMPANY LLC → NUS**

- 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:** Hubert E Butler Construction Company → NUS; 1981-05-01 to 1994-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Hubert E  Butler → NUS; 1981-05-01 to 1994-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Hubert E  Butler → Hubert E Butler Construction Company; 1981-05-01 to 1994-07-19; source msha-controller-operator-history
- **operator_operates_mine:** Hubert E Butler Construction Company → NUS; 1994-07-20 to 2000-04-30; source msha-controller-operator-history
- **controller_controls_mine:** The Estate Of David G Coleman → NUS; 1994-07-20 to 2000-04-30; source msha-controller-operator-history
- **controller_controls_operator:** The Estate Of David G Coleman → Hubert E Butler Construction Company; 1994-07-20 to 2000-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Hubert E Butler Construction Company LLC → NUS; 2000-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniel  Lally  et al → NUS; 2000-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Lally  et al → Hubert E Butler Construction Company LLC; 2000-05-01 to current/open; source msha-controller-operator-history