# Relationship history for MSHA mine 2302209

Current hierarchy: **Gerald  Griffin → Griffin Contracting Company → Nestle Purina Petcare Co Golden Prds Div**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Griffin Contracting Company → Nestle Purina Petcare Co Golden Prds Div; 2000-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gerald  Griffin → Nestle Purina Petcare Co Golden Prds Div; 2000-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald  Griffin → Griffin Contracting Company; 2000-07-01 to current/open; source msha-controller-operator-history