# Relationship history for MSHA mine 3503913

Current hierarchy: **Karen  Edwards; Scott M Edwards → Rock 2 River Resources → Baker Creek Pit**

- 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:** Rock 2 River Resources → Baker Creek Pit; 2021-01-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scott M Edwards et al → Baker Creek Pit; 2021-01-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott M Edwards et al → Rock 2 River Resources; 2021-01-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Karen  Edwards et al → Rock 2 River Resources; 2021-01-11 to current/open; source msha-controller-operator-history