# Relationship history for MSHA mine 4105619

Current hierarchy: **Scott  Sherman → Wildcatter Sand Chico LLC → Wildcatter Sand Chico LLC**

- 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:** Wildcatter Sand Chico LLC → Wildcatter Sand Chico LLC; 2022-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** SHOSH Management LLC → Wildcatter Sand Chico LLC; 2022-04-20 to 2026-01-13; source msha-controller-operator-history
- **controller_controls_operator:** SHOSH Management LLC → Wildcatter Sand Chico LLC; 2022-04-20 to 2026-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Sherman → Wildcatter Sand Chico LLC; 2026-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Sherman → Wildcatter Sand Chico LLC; 2026-01-14 to current/open; source msha-controller-operator-history