# Relationship history for MSHA mine 4407144

Current hierarchy: **Margaret G  Whitley → E. C. Whitley Enterprises, Inc. → Whitley-Hawkins Holdings LLC Pit**

- 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:** E. C. Whitley Enterprises, Inc. → Whitley-Hawkins Holdings LLC Pit; 2005-07-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Margaret G  Whitley → Whitley-Hawkins Holdings LLC Pit; 2005-07-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Margaret G  Whitley → E. C. Whitley Enterprises, Inc.; 2005-07-14 to current/open; source msha-controller-operator-history