# Relationship history for MSHA mine 4003564

Current hierarchy: **Amy  Whaley; Matt  Whaley → Whaley Materials, LLC → Whaley Materials Kodak**

- 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:** Whaley Materials, LLC → Whaley Materials Kodak; 2021-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Amy  Whaley et al → Whaley Materials Kodak; 2021-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amy  Whaley et al → Whaley Materials, LLC; 2021-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt  Whaley et al → Whaley Materials, LLC; 2021-10-22 to current/open; source msha-controller-operator-history