# Relationship history for MSHA mine 2002826

Current hierarchy: **Paul  Luppino → Angelo Luppino, Inc. → Ready Mix Pit**

- 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:** Ironwood Ready Mix & Trucking Inc → Ready Mix Pit; 1989-05-01 to 2019-02-13; source msha-controller-operator-history
- **controller_controls_mine:** Nancy  Luppino → Ready Mix Pit; 1989-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nancy  Luppino → Ironwood Ready Mix & Trucking Inc; 1989-05-01 to 2019-02-13; source msha-controller-operator-history
- **controller_controls_mine:** Angelo  Luppino → Ready Mix Pit; 1994-09-01 to 2017-05-11; source msha-controller-operator-history
- **controller_controls_mine:** Paul  Luppino → Ready Mix Pit; 2017-05-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Angelo Luppino Inc → Ready Mix Pit; 2019-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Luppino → Angelo Luppino Inc; 2019-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Angelo  Luppino → Angelo Luppino Inc; 2019-02-14 to 2017-05-11; source msha-controller-operator-history