# Relationship history for MSHA mine 2402333

Current hierarchy: **Delaney Robert L → Snowy Mountain Holdings Inc → Rochester Mill**

- 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:** Independent Milling LLC → Rochester Mill; 2003-07-09 to 2011-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Charles D  Kirkham et al → Rochester Mill; 2003-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles D  Kirkham et al → Independent Milling LLC; 2003-07-09 to 2011-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Burtis D  Fayram et al → Independent Milling LLC; 2003-07-09 to 2011-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Delaney Robert L → Rochester Mill; 2011-02-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Snowy Mountain Holdings Inc → Rochester Mill; 2011-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Delaney Robert L → Snowy Mountain Holdings Inc; 2011-07-26 to current/open; source msha-controller-operator-history