# Relationship history for MSHA mine 4202451

Current hierarchy: **Larry P  Scrivanich → Oakley Mountain Corp. → Green Beetle Quartzite Tract**

- 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:** Oakley Mountain Corp. → Green Beetle Quartzite Tract; 2006-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry P  Scrivanich → Green Beetle Quartzite Tract; 2006-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry P  Scrivanich → Oakley Mountain Corp.; 2006-07-20 to current/open; source msha-controller-operator-history
