# Relationship history for MSHA mine 3304686

Current hierarchy: **Cris  Sidwell; George V  Thompson → MAYSVILLE MATERIALS LLC → MAYSVILLE MATERIALS 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Maysville Materials LLC → MAYSVILLE MATERIALS LLC; 2012-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cris  Sidwell et al → MAYSVILLE MATERIALS LLC; 2012-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cris  Sidwell et al → Maysville Materials LLC; 2012-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George V  Thompson et al → Maysville Materials LLC; 2012-08-14 to current/open; source msha-controller-operator-history
