# Relationship history for MSHA mine 2902536

Current hierarchy: **Nathan  Kite → Kite Construction, Inc. → Jackson Hill Quarry**

- 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:** Kite Construction, Inc. → Jackson Hill Quarry; 2021-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nathan  Kite → Jackson Hill Quarry; 2021-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nathan  Kite → Kite Construction, Inc.; 2021-07-20 to current/open; source msha-controller-operator-history