# Relationship history for MSHA mine 3700213

Current hierarchy: **George  Pesce; Thomas E  Miozzi → Airport Sand & Stone LLC → Airport Sand & Stone**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Airport Sand & Stone LLC → Airport Sand & Stone; 2011-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** George  Pesce et al → Airport Sand & Stone; 2011-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George  Pesce et al → Airport Sand & Stone LLC; 2011-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas E  Miozzi et al → Airport Sand & Stone LLC; 2011-05-24 to current/open; source msha-controller-operator-history