# Relationship history for MSHA mine 0103528

Current hierarchy: **Kenneth  Noel → Cresent International Marine, LLC → Cresent**

- 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:** Gregory Douglas  Ross → Cresent; 2010-05-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Central Valley Asphalt → Cresent; 2019-02-08 to 2022-07-04; source msha-controller-operator-history
- **controller_controls_operator:** Gregory Douglas  Ross → Central Valley Asphalt; 2019-02-08 to 2022-07-04; source msha-controller-operator-history
- **operator_operates_mine:** White Rock Products, LLC → Cresent; 2022-07-05 to 2026-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Alan  Ryan → Cresent; 2022-07-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alan  Ryan → White Rock Products, LLC; 2022-07-05 to 2026-03-12; source msha-controller-operator-history
- **operator_operates_mine:** Cresent International Marine, LLC → Cresent; 2026-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth  Noel → Cresent; 2026-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  Noel → Cresent International Marine, LLC; 2026-03-13 to current/open; source msha-controller-operator-history