# Relationship history for MSHA mine 1202517

Current hierarchy: **Amanda  Gaerte; Jeff  Carey; Nick  Gaerte → K County Aggregates → Carey 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** K County Aggregates → Carey Pit; 2024-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Carey → Carey Pit; 2024-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Carey → K County Aggregates; 2024-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amanda  Gaerte → K County Aggregates; 2024-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nick  Gaerte → K County Aggregates; 2024-01-10 to current/open; source msha-controller-operator-history