# Relationship history for MSHA mine 3003918

Current hierarchy: **Patrick  Remillard; Seana  Remillard → PERU SAND & GRAVEL, LLC → PERU SAND & GRAVEL**

- 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:** Peru Sand & Gravel, LLC → PERU SAND & GRAVEL; 2014-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patrick  Remillard et al → PERU SAND & GRAVEL; 2014-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  Remillard et al → Peru Sand & Gravel, LLC; 2014-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Seana  Remillard et al → Peru Sand & Gravel, LLC; 2014-06-12 to current/open; source msha-controller-operator-history