# Relationship history for MSHA mine 3102375

Current hierarchy: **Doug  Wright; Will  Glusac → Anson County Stone, LLC → Anson County 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Anson County Stone, LLC → Anson County Stone; 2026-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Doug  Wright et al → Anson County Stone; 2026-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Doug  Wright et al → Anson County Stone, LLC; 2026-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Will  Glusac et al → Anson County Stone, LLC; 2026-08-25 to current/open; source msha-controller-operator-history