# Relationship history for MSHA mine 3003857

Current hierarchy: **Richard J  Riccelli → Syracuse Sand & Gravel, LLC → Whiting W98/9/4048 Crusher**

- 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

- **controller_controls_mine:** Richard  Riccelli et al → Whiting W98/9/4048 Crusher; 1997-05-21 to 2015-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Syracuse Sand & Gravel, LLC → Whiting W98/9/4048 Crusher; 2012-09-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Riccelli et al → Syracuse Sand & Gravel, LLC; 2012-09-05 to 2015-01-14; source msha-controller-operator-history
- **controller_controls_operator:** Joseph  Riccelli et al → Syracuse Sand & Gravel, LLC; 2012-09-05 to 2015-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Richard J  Riccelli → Whiting W98/9/4048 Crusher; 2015-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard J  Riccelli → Syracuse Sand & Gravel, LLC; 2015-01-15 to current/open; source msha-controller-operator-history