# Relationship history for MSHA mine 1601425

Current hierarchy: **Gary  Poirrier; David  Fennelly → Turn Services, LLC → Hahnville Yard**

- 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:** Red Rock Universal LLC → Hahnville Yard; 2005-05-24 to 2006-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Lonnie R  Shepard  et al → Hahnville Yard; 2005-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lonnie R  Shepard  et al → Red Rock Universal LLC; 2005-05-24 to 2006-10-16; source msha-controller-operator-history
- **operator_operates_mine:** Bayou Fleet Inc → Hahnville Yard; 2006-10-17 to 2020-12-29; source msha-controller-operator-history
- **controller_controls_mine:** Robin B  Durant → Hahnville Yard; 2006-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robin B  Durant → Bayou Fleet Inc; 2006-10-17 to 2020-12-29; source msha-controller-operator-history
- **operator_operates_mine:** Turn Services, LLC → Hahnville Yard; 2020-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Fennelly et al → Hahnville Yard; 2020-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Fennelly et al → Turn Services, LLC; 2020-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Poirrier et al → Turn Services, LLC; 2020-12-30 to current/open; source msha-controller-operator-history