# Relationship history for MSHA mine 2800944

Current hierarchy: **Brandon  Rose → Jersey Sand Supply, LLC → JERSEY SAND SUPPLY, 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:** Francis M Moon Inc → JERSEY SAND SUPPLY, LLC; 1950-01-01 to 2001-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Moon Gary F → JERSEY SAND SUPPLY, LLC; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Moon Gary F → Francis M Moon Inc; 1950-01-01 to 2001-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Shore Sand & Gravel LLC → JERSEY SAND SUPPLY, LLC; 2001-11-01 to 2023-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Aaron  Cave et al → JERSEY SAND SUPPLY, LLC; 2001-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aaron  Cave et al → Shore Sand & Gravel LLC; 2001-11-01 to 2023-07-26; source msha-controller-operator-history
- **operator_operates_mine:** Jersey Sand Supply, LLC → JERSEY SAND SUPPLY, LLC; 2023-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brandon  Rose → JERSEY SAND SUPPLY, LLC; 2023-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brandon  Rose → Jersey Sand Supply, LLC; 2023-07-27 to current/open; source msha-controller-operator-history