# Relationship history for MSHA mine 5100190

Current hierarchy: **O Thronas Incorporated; Priscilla K  Thronas → Kauai Aggregates → Kauai Aggregates**

- 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:** Kauai Aggregates → Kauai Aggregates; 1983-02-01 to 2008-07-14; source msha-controller-operator-history
- **controller_controls_mine:** David  Hulihee et al → Kauai Aggregates; 1983-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Hulihee et al → Kauai Aggregates; 1983-02-01 to 2008-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Dwayne R  Steele et al → Kauai Aggregates; 1983-02-01 to 2008-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Kauai Aggregates → Kauai Aggregates; 2008-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** O Thronas Incorporated et al → Kauai Aggregates; 2008-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** O Thronas Incorporated et al → Kauai Aggregates; 2008-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Priscilla K  Thronas et al → Kauai Aggregates; 2008-07-15 to current/open; source msha-controller-operator-history