# Relationship history for MSHA mine 5001908

Current hierarchy: **Terry  Best → Best Transit Mix, Inc. → Jones Stub**

- 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:** Terry  Best → Jones Stub; 2001-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Best Transit Mix Inc → Jones Stub; 2009-04-30 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Best → Best Transit Mix Inc; 2009-04-30 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Cap  Shafer et al → Jones Stub; 2011-09-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dibble Creek Rock Ltd. → Jones Stub; 2020-06-01 to 2020-11-01; source msha-controller-operator-history
- **controller_controls_operator:** Cap  Shafer et al → Dibble Creek Rock Ltd.; 2020-06-01 to 2020-11-01; source msha-controller-operator-history
- **controller_controls_operator:** Cam  Shafer et al → Dibble Creek Rock Ltd.; 2020-06-01 to 2020-11-01; source msha-controller-operator-history
- **controller_controls_operator:** Brok  Shafer et al → Dibble Creek Rock Ltd.; 2020-06-01 to 2020-11-01; source msha-controller-operator-history
- **operator_operates_mine:** Best Transit Mix, Inc. → Jones Stub; 2020-11-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Best → Best Transit Mix, Inc.; 2020-11-02 to current/open; source msha-controller-operator-history