# Relationship history for MSHA mine 3901650

Current hierarchy: **Jeff  Seward → Roughrider Construction, LLC → Roughrider Ranch**

- 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:** Roughrider Construction, LLC → Roughrider Ranch; 2020-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Seward → Roughrider Ranch; 2020-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Seward → Roughrider Construction, LLC; 2020-07-23 to current/open; source msha-controller-operator-history