# Relationship history for MSHA mine 4300110

Current hierarchy: **Timothy  Casey → HINESBURG SAND & GRAVEL COMPANY INC → HOME PIT AND MILL**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Hinesburg Sand & Gravel Company Inc → HOME PIT AND MILL; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul G  Casey → HOME PIT AND MILL; 1950-01-01 to 2014-10-20; source msha-controller-operator-history
- **controller_controls_operator:** Paul G  Casey → Hinesburg Sand & Gravel Company Inc; 1950-01-01 to 2014-10-20; source msha-controller-operator-history
- **controller_controls_mine:** Timothy  Casey → HOME PIT AND MILL; 2014-10-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy  Casey → Hinesburg Sand & Gravel Company Inc; 2014-10-21 to current/open; source msha-controller-operator-history