# Relationship history for MSHA mine 4105165

Current hierarchy: **Sandra  Whitlock; Dean  Whitlock; Rade  Parker Sr → TNT Stone, LLC → TNT Stone - Gordon Quarry**

- 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:** TNT Stone, LLC → TNT Stone - Gordon Quarry; 2016-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dean  Whitlock et al → TNT Stone - Gordon Quarry; 2016-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dean  Whitlock et al → TNT Stone, LLC; 2016-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rade  Parker Sr et al → TNT Stone, LLC; 2016-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sandra  Whitlock et al → TNT Stone, LLC; 2016-05-25 to current/open; source msha-controller-operator-history