# Relationship history for MSHA mine 3004153

Current hierarchy: **Schwab Aggregates LLC; Gernatt Asphalt Products, Inc → GS Aggregates LLC → GS Aggregates FT4250 417653**

- 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:** Gernatt Asphalt Products, Inc → GS Aggregates FT4250 417653; 2023-07-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** GS Aggregates LLC → GS Aggregates FT4250 417653; 2025-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gernatt Asphalt Products, Inc → GS Aggregates LLC; 2025-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Schwab Aggregates LLC → GS Aggregates LLC; 2025-04-15 to current/open; source msha-controller-operator-history