# Relationship history for MSHA mine 3609133

Current hierarchy: **Daniel  Meshach → D & E Stone → Kennedy Hill Quarry 1, 2 , and 3**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Marty G. Evans → Kennedy Hill Quarry 1, 2 , and 3; 2002-05-01 to 2005-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Marty G  Evans → Kennedy Hill Quarry 1, 2 , and 3; 2002-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marty G  Evans → Marty G. Evans; 2002-05-01 to 2005-08-09; source msha-controller-operator-history
- **operator_operates_mine:** D & E Stone → Kennedy Hill Quarry 1, 2 , and 3; 2005-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Daniel  Meshach → Kennedy Hill Quarry 1, 2 , and 3; 2005-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Meshach → D & E Stone; 2005-08-10 to current/open; source msha-controller-operator-history
