# Relationship history for MSHA mine 1001328

Current hierarchy: **Al  Prinsloo; Mel  Prinsloo → Idavue Minerals LLC → Idavue Minerals LLC**

- 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:** Thermocal Minerals of Idaho LLC → Idavue Minerals LLC; 1950-01-01 to 2026-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Harold J  Wilson et al → Idavue Minerals LLC; 1950-01-01 to 2015-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Harold J  Wilson et al → Thermocal Minerals of Idaho LLC; 1950-01-01 to 2015-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Paul  Van Beek et al → Idavue Minerals LLC; 2015-04-22 to 2021-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Van Beek et al → Thermocal Minerals of Idaho LLC; 2015-04-22 to 2021-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Ron  Van Beek et al → Thermocal Minerals of Idaho LLC; 2015-04-22 to 2021-02-15; source msha-controller-operator-history
- **controller_controls_mine:** Ron  Van Beek → Idavue Minerals LLC; 2021-02-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ron  Van Beek → Thermocal Minerals of Idaho LLC; 2021-02-16 to 2026-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Idavue Minerals LLC → Idavue Minerals LLC; 2026-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mel  Prinsloo et al → Idavue Minerals LLC; 2026-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mel  Prinsloo et al → Idavue Minerals LLC; 2026-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Al  Prinsloo et al → Idavue Minerals LLC; 2026-03-11 to current/open; source msha-controller-operator-history