# Relationship history for MSHA mine 3901571

Current hierarchy: **First Rate Excavate ESOP; Bryan  Goeden → First Rate Excavate → First Rate Excavate Portable 2**

- 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

- **controller_controls_mine:** Harold  Goeden → First Rate Excavate Portable 2; 2001-08-01 to 2024-04-04; source msha-controller-operator-history
- **operator_operates_mine:** First Rate Excavate → First Rate Excavate Portable 2; 2011-05-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold  Goeden → First Rate Excavate; 2011-05-11 to 2024-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Bryan  Goeden et al → First Rate Excavate Portable 2; 2024-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bryan  Goeden et al → First Rate Excavate; 2024-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** First Rate Excavate ESOP et al → First Rate Excavate; 2024-04-05 to current/open; source msha-controller-operator-history