# Relationship history for MSHA mine 4300814

Current hierarchy: **Buck Justin  Adams → Riverbend Enterprises, Inc → Rte 103 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:** Riverbend Enterprises, Inc → Rte 103 Pit; 2023-02-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Buck Justin  Adams → Rte 103 Pit; 2023-02-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Buck Justin  Adams → Riverbend Enterprises, Inc; 2023-02-17 to current/open; source msha-controller-operator-history