# Relationship history for MSHA mine 2602381

Current hierarchy: **John M  Torok → Siotwo Corp → PEGMATITE POINT**

- 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:** Siotwo Corp → PEGMATITE POINT; 1999-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John M  Torok → PEGMATITE POINT; 1999-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John M  Torok → Siotwo Corp; 1999-03-01 to current/open; source msha-controller-operator-history