# Relationship history for MSHA mine 2700449

Current hierarchy: **Bruce J  Marshall; Sylvain R  Noiseux → Inisfree Investments, LLC → DeCato 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:** Inisfree Investments, LLC → DeCato Sand & Gravel; 2011-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sylvain R  Noiseux et al → DeCato Sand & Gravel; 2011-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sylvain R  Noiseux et al → Inisfree Investments, LLC; 2011-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce J  Marshall et al → Inisfree Investments, LLC; 2011-07-25 to current/open; source msha-controller-operator-history