# Relationship history for MSHA mine 1001345

Current hierarchy: **Ingram Donald L → Northwest Aggregates Of Idaho Inc → Northwest Aggregates Of Idaho Incorporat**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Jeanne M  (Seubert) McDonough et al → Northwest Aggregates Of Idaho Incorporat; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Northwest Aggregates Of Idaho Inc → Northwest Aggregates Of Idaho Incorporat; 1978-03-09 to 1980-02-17; source msha-controller-operator-history
- **controller_controls_mine:** Ingram Donald L → Northwest Aggregates Of Idaho Incorporat; 1978-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ingram Donald L → Northwest Aggregates Of Idaho Inc; 1978-03-09 to 1980-02-17; source msha-controller-operator-history
- **operator_operates_mine:** Seubert Excavators Inc → Northwest Aggregates Of Idaho Incorporat; 1980-02-18 to 1980-04-02; source msha-controller-operator-history
- **controller_controls_operator:** Jeanne M  (Seubert) McDonough et al → Seubert Excavators Inc; 1980-02-18 to 1980-04-02; source msha-controller-operator-history
- **operator_operates_mine:** Northwest Aggregates Of Idaho Inc → Northwest Aggregates Of Idaho Incorporat; 1980-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ingram Donald L → Northwest Aggregates Of Idaho Inc; 1980-04-03 to current/open; source msha-controller-operator-history