# Relationship history for MSHA mine 1401840

Current hierarchy: **Global Real Estate LLC; Tim  Anderson → 1880 Enterprises, LLC → 1880 Enterprises**

- 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:** 1880 Enterprises, LLC → 1880 Enterprises; 2023-10-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tim  Anderson et al → 1880 Enterprises; 2023-10-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tim  Anderson et al → 1880 Enterprises, LLC; 2023-10-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Global Real Estate LLC et al → 1880 Enterprises, LLC; 2023-10-30 to current/open; source msha-controller-operator-history
