# Relationship history for MSHA mine 0504262

Current hierarchy: **Lumpkins James O → Geo-Sol Mining & Milling → G-S Mineral Project**

- 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:** Geo-Sol Mining & Milling → G-S Mineral Project; 1987-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lumpkins James O → G-S Mineral Project; 1987-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lumpkins James O → Geo-Sol Mining & Milling; 1987-10-01 to current/open; source msha-controller-operator-history