# Relationship history for MSHA mine 0801459

Current hierarchy: **Robert B McClendon → RBM Contracting Services LLC → Hicks Farm**

- 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:** RBM Contracting Services LLC → Hicks Farm; 2024-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert B McClendon → Hicks Farm; 2024-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert B McClendon → RBM Contracting Services LLC; 2024-06-11 to current/open; source msha-controller-operator-history