# Relationship history for MSHA mine 5400385

Current hierarchy: **Teresa  Sordo → Jusor Corp → AC 100024 PR 10**

- 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

- **controller_controls_mine:** Teresa  Sordo → AC 100024 PR 10; 1990-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jusor Corp → AC 100024 PR 10; 1996-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Teresa  Sordo → Jusor Corp; 1996-04-01 to current/open; source msha-controller-operator-history