# Relationship history for MSHA mine 0103495

Current hierarchy: **Shawn  Robinson → Lost Creek Clay & Minerals, LLC → Rocky Branch Mine**

- 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:** Lost Creek Clay & Minerals, LLC → Rocky Branch Mine; 2016-06-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Shawn  Robinson → Rocky Branch Mine; 2016-06-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Shawn  Robinson → Lost Creek Clay & Minerals, LLC; 2016-06-07 to current/open; source msha-controller-operator-history