# Relationship history for MSHA mine 1515337

Current hierarchy: **James P  Jurgensen II; Jacqueline J  Alf; Jason R  Jurgensen → Northern Kentucky Aggregates Inc. → Belleview Sand & Gravel Inc**

- 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:** James P  Jurgensen → Belleview Sand & Gravel Inc; 1950-01-01 to 2018-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Belleview Sand & Gravel Inc → Belleview Sand & Gravel Inc; 1985-08-01 to 2019-10-15; source msha-controller-operator-history
- **controller_controls_mine:** William  Rudicill → Belleview Sand & Gravel Inc; 1985-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William  Rudicill → Belleview Sand & Gravel Inc; 1985-08-01 to 2019-10-15; source msha-controller-operator-history
- **controller_controls_mine:** James P  Jurgensen II et al → Belleview Sand & Gravel Inc; 2018-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Northern Kentucky Aggregates Inc. → Belleview Sand & Gravel Inc; 2019-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James P  Jurgensen II et al → Northern Kentucky Aggregates Inc.; 2019-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason R  Jurgensen et al → Northern Kentucky Aggregates Inc.; 2019-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jacqueline J  Alf et al → Northern Kentucky Aggregates Inc.; 2019-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James P  Jurgensen → Northern Kentucky Aggregates Inc.; 2019-10-16 to 2018-10-31; source msha-controller-operator-history