# Relationship history for MSHA mine 2700490

Current hierarchy: **Benjamin  Northcott; Daniel  Northcott → Fuzzy Brothers LLC → Plant # 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:** Benjamin  Northcott et al → Plant # 2; 2015-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fuzzy Brothers LLC → Plant # 2; 2015-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin  Northcott et al → Fuzzy Brothers LLC; 2015-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Northcott et al → Fuzzy Brothers LLC; 2015-06-14 to current/open; source msha-controller-operator-history
