# Relationship history for MSHA mine 4202388

Current hierarchy: **Dave  Hodgson → Canore Fine Grinding LLC → Corner Canyon Mine**

- 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:** Canore Fine Grinding LLC → Corner Canyon Mine; 2004-08-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dave  Hodgson  et al → Corner Canyon Mine; 2004-08-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dave  Hodgson  et al → Canore Fine Grinding LLC; 2004-08-05 to current/open; source msha-controller-operator-history