# Relationship history for MSHA mine 2103838

Current hierarchy: **James A  Anderson → ANDERSON BROTHERS CONSTRUCTION Co of Brainerd LLC → CR-4**

- 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:** ANDERSON BROTHERS CONSTRUCTION Co of Brainerd LLC → CR-4; 2014-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James A  Anderson → CR-4; 2014-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Anderson → ANDERSON BROTHERS CONSTRUCTION Co of Brainerd LLC; 2014-08-15 to current/open; source msha-controller-operator-history