# Relationship history for MSHA mine 2700521

Current hierarchy: **Chris  Bennett → Bennett Landscape INC. → Seacoast Materials**

- 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:** Bennett Landscape INC. → Seacoast Materials; 2021-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Chris  Bennett → Seacoast Materials; 2021-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Bennett → Bennett Landscape INC.; 2021-06-21 to current/open; source msha-controller-operator-history