# Relationship history for MSHA mine 1302365

Current hierarchy: **Elvin Frank  Beach; Kurt A  Enke → PNB Processors LLC → PNB Processors LLC**

- 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:** PNB Processors LLC → PNB Processors LLC; 2008-03-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kurt A  Enke et al → PNB Processors LLC; 2008-03-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kurt A  Enke et al → PNB Processors LLC; 2008-03-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Elvin Frank  Beach et al → PNB Processors LLC; 2008-03-27 to current/open; source msha-controller-operator-history