# Relationship history for MSHA mine 4703652

Current hierarchy: **Steve  Rooney → Buffalo White Sand LLC → Buffalo White Sand 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:** Buffalo White Sand LLC → Buffalo White Sand LLC; 2012-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Fitzgerald et al → Buffalo White Sand LLC; 2012-05-24 to 2015-04-19; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Fitzgerald et al → Buffalo White Sand LLC; 2012-05-24 to 2015-04-19; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Rooney et al → Buffalo White Sand LLC; 2012-05-24 to 2015-04-19; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Rooney → Buffalo White Sand LLC; 2015-04-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Rooney → Buffalo White Sand LLC; 2015-04-20 to current/open; source msha-controller-operator-history