# Relationship history for MSHA mine 2401486

Current hierarchy: **Arthur Larry; Larry  Arthur → L A Construction Inc → L A Construction Incorporated**

- 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:** La Salle Construction & Supply → L A Construction Incorporated; 1979-01-01 to 1989-10-02; source msha-controller-operator-history
- **controller_controls_mine:** La Salle Patrick L → L A Construction Incorporated; 1979-01-01 to 1989-10-02; source msha-controller-operator-history
- **controller_controls_operator:** La Salle Patrick L → La Salle Construction & Supply; 1979-01-01 to 1989-10-02; source msha-controller-operator-history
- **operator_operates_mine:** L A Construction Inc → L A Construction Incorporated; 1989-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry  Arthur → L A Construction Incorporated; 1989-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Arthur → L A Construction Inc; 1989-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arthur Larry → L A Construction Inc; 1989-10-03 to current/open; source msha-controller-operator-history